知的

Most materials have a significant temperature coefficient, so be certain to maintain the sample at a known temperature.

大多数材料都具有很大的温度系数，所以一定要将样品保持在已知的温度之下。

The result: raw materials as little-known as terbium, samarium and ruthenium are starting to command a level of attention once reserved for energy and food security.

为此，一些少有人知的原材料，如铽、钐和钌，已开始引起高度关注。而以往，只有能源和粮食安全曾受到这种程度的关注。

The Arctic Tern is currently the animal with the longest migratory path out of all animals.

北极燕鸥是目前已知的动物中迁徙路线最长的一种动物。

If Tesla had started out from known theory, he would never have pursued the path he did.

如果特斯拉已经开始从已知的理论，他就不会追究他的道路。

Welcome to the London Underground,or as it is commonly known, The Tube .

欢迎来到伦敦的地下通道，也就是大家所知的地铁。

This is one of the worst diseases known to man.

这是人类已知的最严重的疾病之一。

For instance, GCs are used to suppress immunity and treat lymphoid leukemia because they can induce apoptosis in thymocyte, leukemia cells and lymphocyte.

已知的如GCs能诱导胸腺细胞和淋巴细胞的凋亡，因此被临床用来抑制免疫功能和治疗淋巴细胞白血病。

The time a process runs before it is preempted is predetermined, and it is called the timeslice of the process.

进程在被抢占前，运行的时间是预知的，这个时间叫做时间片。

Paleontologists have found evidence of a new species, possibly related to the Triceratops which is known to have the largest head of any animal to have ever walked the earth.

古生物学家已经发现一个新品种，很有可能与据我们所知的地球陆上最大的动物三角恐龙有关

This tweeter is known for having a very "natural" sound with an extremely smooth frequency response that extends well beyond the human hearing range.

音单元，这是已知的有一个很"自然"的声音与一个极其顺利频率响应范围远远超出了人类听力范围内。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。