必须的

This ultramicroscopic machine assembles three-dimensional protein molecules that are essential for us to live.

这个超显微的机器可以装配我们生命所必须的具有三维结构的蛋白质分子。

You do not need to modify the program's source code, but you do need access to the unlinked object files.

虽然不需要更改程序的源代码，但访问未连接的对象文件却是必须的。

Windless weather and favorable tides were required for the landing operations.

无风的天气和有利的潮汐是登陆行动所必须的。

These are all examples of powerful instincts which are important and necessary components of working dog temperament.

而言，上述所有例证说明犬的强大本能，它们是工作犬禀性中的重要而必须的构成部分。

But, the World Meteorological Organization says mitigation alone is not enough. Largely overlooked in this process is the need for adaptation.

但是 ，世界气候组织表示，单单缓解是不够的，要适应，大力度的监督是必须的。

Vatermine C in it is many times even scores times than in other fruits, such as orange and apple. It contains much sugar, protein, aminophenol and other organic materials and much mineral substance that human body needs.

它的维生素C含量比柑橘，苹果等水果高几倍甚至几十倍，同时还含大量的糖，蛋白质，氨基酸等多种有机物和人体必须的多种矿物质。

But not everyone agrees - trying to fit all your daily five serves of veg in at dinner time doesn't work either, Professor Caryl Anne Nowson.

但纳森教授却不同意这一看法，她认为，在晚餐的时候吸入必须的5种蔬菜也是不可行的。

But not everyone agrees - trying to fit all your daily five serves of veg in at dinner time doesn't work either, Professor Caryl Anne Nowson.

但纳森教授却不同意这一看法，她认为，在晚餐的时候吸入必须的5种蔬菜是不可行的。

Furthermore, we demonstrated that p190RhoGAP is required for Brk-induced chemotactic migration towards EGF.

此外，我们还证明了p190RhoGAP的存在对乳癌激酶在细胞移动上的调控是必须的。

Bone and strength in a small compass are essential, but this must not be taken to mean that a Terrier should be "cloddy," or in any way coarse--speed and endurance being requisite as well as power.

较小规模的骨量和力量是必须的特征；但这并非表示刚毛猎狐梗是一种傻狗，或有任何粗糙的地方——其实，速度与耐力与力量一样重要。

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。