必需的

Amino acids are important biological compounds that played an essential role in the formation of peptides, the backbone of protein, in the prebiotic chemistry of the early Earth for the origin of life.

在早期地球原始化学生命起源过程中，氨基酸是重要的必需的生物化合物，生成肽和蛋白。

Inorganic phosphates play a critical role in diverse cellular functions and are essential to all living organisms.

无机磷酸盐在不同的细胞功能中起着重要作用，也是所有生物有机体所必需的。

Peons which are dead, don抰 do their job and won抰 provide the necessary income.

死去的苦工并不能工作并且不能提供必需的收入。

Fang Xingdong expresses, foreign company manages special discretion to diversity, but after Chinese Internet parvenus are having a large number of ready money more the tendency makes a few stocks, industry, even the individual invests, besides indispensible redound, value more " money does some of interesting thing more ".

方兴东表示，国外公司对多元化经营非常谨慎，但中国互联网新贵们在拥有大量现金后更倾向做一些股票、产业，甚至个人投资，除了必需的回报外，更看重&钱多就做些好玩的事儿&。

The range comprises of both internal and external skincare products, all containing natural plant oestrogens and other nutrients essential for healthy skin.

范围包括内部和外部护肤产品，所有含天然植物雌激素和其他必需的营养素健康的皮肤。

With specific regard to the pursuit of world peace , Bahá'u'lláh prescribed a world-embracing Collective Security arrangement as necessary for the establishment of a lasting peace .

特别关于追求世界和平，巴哈欧拉描述了一个建立长久和平所必需的全球的共同安全体制。

A water-cooling system consists of the engine water jacket, thermostat, water pump, radiator, radiator cap, fan, fan drive belt and neccessary hoses.

一个完整的水冷系统包括机体水套，节温器，水泵，散热器，散热器罩，风扇，风扇驱动皮带和必需的水管。

"Folic-acid-deficiency anemia: Anemia resulting from too little folic acid, needed for red-Blood-cell maturation. White-cell and platelet levels are also often low. Progressive gastrointestinal problems develop."

叶酸缺乏性贫血：因缺乏成熟红血球所必需的叶酸而引起贫血的一种疾病，常有白血球和血小板减少、骨髓造血障碍和进行性胃肠道疾状。

This article identifies the preparation necessary for a war game.

本文阐述的是野战必需的备战工作。

Certain amount of care or pain or trouble is necessary for every man at all times .

一定的忧愁、痛苦或烦恼，对每个人都是时时必需的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。