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they have evolved over millennia.
طی هزاران سال فرگشت یافته اند.
Last Update: 2015-10-13
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we have evolved to have our own pond.
ما تکامل پیدا کرده ایم تا یک حوضچه در خودمان داشته باشیم.
Last Update: 2015-10-13
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it also suggests how the dance may have evolved.
و نیز چگونگی تکامل این رقص را بیان میدارد.
Last Update: 2016-03-03
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flypapers have evolved independently at least five times.
flypapers به طور مستقل دارای دست کم ۵ مسیر تکاملی میباشد.
Last Update: 2016-03-03
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no , doctor , as i have evolved , so has my understanding of the three laws .
نه دکتر من دارم بازش ميکنم حواسم به سه قانون هست .
Last Update: 2011-10-24
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it is thought to have evolved in the palearctic, and then to have expanded into the nearctic.
غواص گلو سرخ پرندهای از راسته غواصسانان، مهاجر و آبزی است که در نیمکره شمالی یافت میشود.
Last Update: 2016-03-03
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now why would this kind of fetal learning it may have evolved to aid the baby's survival.
حال چرا این نوع یادگیری جنینی قابل استفاده است؟ شاید در کمک به بقای نوزاد، شکل گرفته است.
Last Update: 2015-10-13
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plants have evolved to create little landing strips here and there for bees that might have lost their way.
گیاهان تکامل یافتهاند برای خلق یک نوار کوچک فرود اینجا و آنجا برای زنبور عسل که ممکن است راه خود را گم کرده باشند.
Last Update: 2015-10-13
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always, all the data shows it's the same, despite the fact that these cities have evolved independently.
همواره، همه داده ها این را يكسان نشان می دهند، علی رغم این حقیقت که این شهر ها مستقلا تکامل یافته اند.
Last Update: 2015-10-13
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and if you look at some of the organisms that have evolved to live in deserts, there are some amazing examples of adaptations to water scarcity.
و اگر شما به برخی از این موجودات ها نگاه کنید که برای زندگی در صحرا تغییر یافته اند، و مثال های جالبی از سازگاری با کم یابی آب وجود دارد.
Last Update: 2015-10-13
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there have actually been 22 species of hominids that have been around, have evolved, have wandered in different places, have gone extinct.
۲۲ گونه مختلف از انسان وجود داشته است که در زمان های مختلف زندگی کرده اند و تکامل یافته اند و در مکان های مختلف سرگردان بوده اند و منقرض شده اند.
Last Update: 2015-10-13
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for example, they say, depth perception seems to have evolved not to help us know the distances to other objects but rather to help us move around in space.
کاربرد فرایند ادراکی در رفتار سازمانی نیز در این نظریه مشخص می شود و این نظریه عامل مهمی در ادراک رخدادهای اجتماعی و تعیین مسئولیت برای رفتار انسان ها به شمار می آید.
Last Update: 2016-03-03
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during those decades, many improved fcc designs have evolved and cracking catalysts have been greatly improved, but the modern fcc units are essentially the same as that first model i fcc unit.
برای سوزاندن مقدار بیشتر کربن، دفع بهتر گرما و افزایش سرعت محصولات گازی، در طرح واحدهای fcc، با به کار گیری تجهیزات بزرگتر و مارپیچ تولید بخار، تغییراتی صورت گرفتهاست.
Last Update: 2016-03-03
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contrary to the idea of chimpanzees as "primitive", they too have evolved since the split, becoming larger, more aggressive and more capable climbers.
مخالف ایده شامپانزهها، آنها از زمان آن شکاف تکامل بسیاری یافتند، و به بالا روندگان بزرگتر، متهاجمتر و تواناتری تبدیل شدند.
Last Update: 2016-03-03
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but even more surprising is if you look at socio-economic quantities, quantities that have no analog in biology, that have evolved when we started forming communities eight to 10,000 years ago.
اما حتی تعجب آورتر این است اگر شما به كميتهاي اقتصادي اجتماعی نگاه کنید، كميتهايي که هیچ سنخیتی با زیستشناسی ندارند، که اين كميتها هنگامی که جوامع ما در هشت تا ده هزار سال پیش شکل میگرفت، تکامل یافتهاند.
Last Update: 2015-10-13
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and eventually, they'll have evolved to such a high peak of perfection that they will make us all their pets -- if, of course, they haven't already done so.
و بالاخره، به حدی از تکامل خواهد رسید که همه ما را تبدیل به حیوانات خانگی کند-- البته اگر تا الان این کار را نکرده باشد.
Last Update: 2015-10-13
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the idea that genes in eukaryotic genomes could be distributed non randomly, and, moreover, that genes of comparable and/or coordinated expression might cluster, is important in terms of understanding how genomes function and how they have evolved.
این ایده که ژنها در ژنومهای یوکاریوتی میتوانند بهطور غیر تصادفی توزیع شوند، و علاوه بر این، ژنهای بیانی قابل مقایسه و/یا هماهنگ ممکن است در کنار هم قرار گیرند، از نظر درک چگونگی عملکرد ژنومها و چگونگی تکامل آنها مهم است.
Last Update: 2022-11-04
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the history of refractories during the 20th century is used in this review to illustrate how techniques such as slag splashing, in situ spinel generation in castables, magnesia dense layer formation in magnesia carbon brick in steelmaking, clinker adhesion in cement kilns, and viscous boundary layer generation in glass tanks have evolved to their present status.
در این بررسی از تاریخچه دیرگداز در قرن بیستم استفاده شده است تا نشان دهد که چگونه تکنیک هایی مانند پاشش سرباره، تولید اسپینل در محل در ریخته گری، تشکیل لایه متراکم منیزیم در آجر کربن منیزیم در فولادسازی، چسبندگی کلینکر در کوره های سیمان و تولید لایه مرزی چسبناک در مخازن شیشه ای به وضعیت کنونی خود رسیده اند.
Last Update: 2025-03-06
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1. introduction mechanical properties of materials have been one of the most fundamental and widely studied areas in materials, owing to its crucial importance for real-life applications. for centuries, the development of materials has solely relied on the modifications of its composition to alter mechanical properties. despite being effective, it usually takes more than a decade for a newly discovered material to be in the market. over the course of history, the range of accessible materials kept on growing, allowing us to select a more suitable material for specific applications.[1–3] however, there are often definite couplings between the intrinsic properties of these materials, such as the intimate coupling between strength and density, where high strength materials are generally high in density and vice versa. on the other hand, numerous materials found in nature often exhibit intriguing properties unachievable with conventional materials.[4,5] these natural materials, particularly cellular materials, have evolved over the course of several million years such that they developed an optimized architecture which could span over multiple hierarchies across different length scales.[4–11] forinstance,the highly complex porous architecture of a bone core consisting of intricately-shaped ligaments and density gradients allowsitto achieve amuch higher structural efficiency comparedto most of the synthetic cellular materials developed by humans, which possess significantly less sophisticated architectures and are far from ideal.[10,11] another well-known example on the exploitation of architecture is the comparison between the great pyramid of giza and the eiffel tower. the eiffel tower is approximately twice as tall as the great pyramid of giza but exhibits similar structural integrity and is almost three orders of magnitude lighter due to its hierarchical and three-dimensional architecture.
Last Update: 2021-04-30
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