查询词典 not necessary

The rotation was stable during that period. The coma morphology can be interpreted by the model with one nucleus and two active regions. The two-nuclei model is not necessary to be introduced.

模拟表明只用一个彗核和两个源就可以解释观测到的彗发结构，不需要加入双核等因素。

But in actuality, it is not necessary to change our feelings in order to take action.

但实际上，它不是要改变我们的感情，以便采取行动。

It is still recommended that adrenalectomy is not necessary in case of normal preoperative CT scan and normal intraoperative palpation.

肾上腺切除不是必须的，如果有正常的术前CT扫描和术中触诊正常。

For many people, the Alcoholics Anonymous group ideal of never drinking again might work, but for me it is not necessary.

对于很多人来说，戒酒组的理想从未饮用水可能再次工作，但对我来说是没有必要的。

This, in turn, would alter the pH change, although the action of buffers indicate that alkalinization itself is not necessary for the oxidative burst in Arabidopsis.

这反过来会改变pH的变化，虽然行动buffers显示alkalinization本身是没有必要的氧化爆裂拟南芥。

After comparing the gasoline blending components and hydrocarbon group components of China with the facts of USA and Western Europe, we believe that with the 25Mt/a FCC gasoline base in our country , it is impossible to make hydrocarbon group composition obviously change through the method of dilution, and it is also not necessary to substantially enlarge the yield of alkylate to increas.

利用专门安排的加氢试验结果，进行分析和估算，对比了我国和美国、西欧的汽油调合组分和烃族组成，认为我国由于有25Mt/a的FCC汽油，不可能通过稀释的办法来使烃族组成有根本的改观，也没有必要采用大幅度扩大烷基化油产量来增加烷烃组分。

I can't give an official statement but it's not necessary everytime there's a rumour about some crap.

我不会给一个官方的解释并且也没必要每次碰到这些狗屎的谣言出来的时候都解释。

It is shown that the exogenous hormones are not necessary to initiate the androgenesis,but they can promote further growth of pollen embryoids and calluses.

外源激素对于雄核发育的启动不是必需的，但对愈伤组织进一步的生长却是不可缺少的。

A completely trusted third party is not necessary in our scheme. It makes the system model simpler and reinforces undeniability and anonymousness of cash-publishing bank, therefore strengthens security of whole system and anonymousness of E-Cash. The application of self-certified public key policy also can lighten the burden of verifying cash for corporation and depositing bank.

该方案不需要完全可信的第三方，系统模型更加简单；增强了发币银行的不可否认性和匿名性，从而增强了整个系统的安全性和电子现金的匿名性；同时，自证明公钥体制的应用也减轻了商家及其存款银行验证电子现金的负担。

MATERIAL : ANTISTATIC MATERIAL IS NOT NECESSARY.

材料：抗静电材料，是没有必要的。

In that case, Martin's death to the author Mo Bushi from real life, to deny Spencer, right?

那么，马丁·伊登的死莫不是作者为了从实际生活中来否定斯宾塞吧？

According to the electrical diffraction of the conglomeration, the particles are A-zeolite crystals. In the surface of micro-crystal of A-zeolite, the cuboidal nano-crystal A-zeolite grows, so A-zeolite crystal steps can be observed with TEM.

同时，在A型沸石的晶化初期，样品的TEM照片中可见许多团聚体，部分团聚体表现为A型沸石所具有的立方体形态，根据电子衍射测定，构成团聚体的颗粒为大量的纳米晶体。