必需的

In some termites, which feed on wood, the necessary breakdown enzymes are provided by bacterial mutualists.

在一些以木为食的白蚁中，必需的分解酶由细菌共生体提供。

Article 26 Banks, smelteries, paper mills and departments for the recovery of old and waste materials shall assume responsibility, jointly with the departments for cultural administration, for sorting out cultural relics from among gold and silver articles and waste materials.

第二十六条银行、冶炼厂、造纸厂以及废旧物资回收部门，应与文化行政管理部门共同负责拣选出掺杂在金银器和废旧物资中的文物，除供银行研究所必需的历史货币可以由银行留用外，其余移交给文化行政管理部门处理。

In order to develop flight simulators , it is necessary that flight simulatordesign and performance data are considered.

在研制飞行模拟器时，飞行模拟器的设计和性能数据是必需的。

The shiitake mushroom includes the human body essential 8 kind of amino acids, moreover is has the biological activity, easy by the human body absorption use L amino acid.

香菇含有人体必需的8种氨基酸，而且全是具有生理活性、易于被人体吸收利用的L型氨基酸。

In order to replicate the service that general roamers will encounter, it is required that any SIM used in the tests shall have one access class out of the classes 0-9 defined.

为了复制漫游服务，一般会遇到，它是必需的任何SIM卡在测试中使用应出0-9类定义的一个访问类。

One's requirement s may be many,though one's requisites may be few.

一个人所需的东西可能很多，而他所必需的东西或许有限。

IDA reflows: Payments received by IDA in the form of reimbursements for credits made.

21.1反补贴税应仅在抵消造成损害的补贴所必需的时间和限度内实施。

However, there's a vast chasm between helping out in a pinch and being overly accommodating.

不过出于情况必需的帮助和过于热心的帮助之间可是具有天壤之别。

However, if splicing is necessary,it can be done by using either pipe sleeves or metal straps and bolts.

然而，如果接合是必需的，它能被藉由使用管袖或金属制的绳做而且闩住。

Identification of cooperating oncogenes in E mu-myc transgenic mice by provirus tagging.Cell,1991;

这些结果证实适当的细胞周期控制，特别在干/祖细胞早期阶段，是保持正常造血所必需的。

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％。