查询词典 not necessary

What's even more surprising: Sending the letter is not necessary.

更令人惊讶的是：你甚至没必要把写好的感谢信寄出去。

If your lawn is small, the large size mulching blades are not necessary.

如果你的草坪小，叶片复盖面积大都是没有必要的。

Though not necessary, they increase pedaling efficiency and safety.

尽管这不是必须的，但是可以提升你踩脚踩的效率和安全。

It is not necessary to place bridges and connect pegs in every turn.

没有必要把桥梁和连接盯住动不动。&/页&

CC. .. To such person, I was not necessary to be pestered with him so again went down...

CC的。。。对于这样的人，我没有必要再这样跟他纠缠下去了。。。

One photostated copy of valid export license issued by the relevant authorities of the Supplier's country authorizing the Supplier to export the Goods of the Contract or a certificate issued by the Supplier stating that an export license is not necessary

卖方国家有关当局出具的出口许可证，或不要出口许可证的证明文件。

Panniers are not necessary for items such as pleated skirts that have a straight shape.

裙撑其实并不是必要的使用项目，比如那些有褶皱的长裙。

S now up more than has been pursued is not necessary.

氏现在就超过了追求的是没有必要的。

A search strategy based on switch group is devised in this paper, which enhances the efficiency and accuracy of search;establishing a fast ratiocinating fault restoration model which is based on EMS data, and adopting the search strategy to form the connecting relation of the equipments in the power system dynamically, so it is not necessary to do special maintenance to the system when the frame of the network changes;perfecting the fault restoration modules and ensure that the restoration scheme accords with the situation of locale and the operating regulations and the system is practical;adopting flow to check the security of all the restorable paths of the load island, which provides the gists to choose the restorable paths.

本文提出了一种基于开关刀闸组的搜索策略，提高了搜索的效率和准确性；建立了基于EMS数据的快速推理故障恢复模型，通过网络搜索动态生成系统内各设备的网络连接关系，网架结构变化时无需对该系统特殊维护；完善了故障恢复步骤，使恢复方案确实符合现场实际情况及操作规程，具有实用性；采用潮流计算校验孤岛各恢复路径的安全性，为各条恢复路径选择提供依据。

In fact, the creation of an optical shop in the downtown center to warrant the reconvening of the value of careful evaluation, we conclude that it is not necessary.

事实上，一个在市区中心的眼镜店创造值得仔细的评估价值的重新召开，我们认为没有必要。

Turn-button rigid clutch, cam band brake, and collapsed with a pressure type overload device.

转键式刚性离合器，凸轮带式制动器，并带有压塌式超载保险装置。

Study on culture of osteoblasts from neonatal rat's calvaria in simulated weightlessness.

利用回转器建立模拟失重环境下大鼠颅骨成骨细胞体外培养模型。