查询词典 not necessary

On the other hand, it is not necessary to remove the nail plate for hematoma evacuation or nail bed lacerations repair.

相对来说，为了引流血肿或是修补指甲床裂痕而进行指甲移除手术则是不必要的。

Also, the results indicate that it is not necessary to control over the temperature gradient of the undercooled liquid by human beings within the directional solidification undercooling range; and that even single crystals can be obtained by point trigging at the end of the samples.

在定向凝固的过冷度范围内，无需人为控制固液界面前沿的温度梯度，而且，以点触发试样端部，可以获得单晶。

Adaptive Vold-Kalman order tracking was carried out based on the algorithm of STFT_VA. In contrast with traditional method of Vold-Kalman order tracking, the method includes some advantages, for example, tacho and other hardwares are not necessary to be employed to do order tracking.

实现了基于STFT-VA算法的自适应Vold-Kalman阶比跟踪，和传统的以硬件实现的Vold-Kalman阶比跟踪相比，此方法具有无需转速计等硬件、用纯软件的方法实现。

In addition, He's pop vocalism also settle the problem in singing and dancing, meaning,"lip synching" is not necessary in the performance.

除此以外，&贺氏流行音乐教学法&还解决了国内通俗歌曲演唱中&唱跳冲突&的问题，即不用&假唱&就可实现&边跳边唱&。

Notice that the values therein contained apply at 125℃ and that load-shaping snubbers are not necessary, as long as the switching trajectory is confined within the turn-off SOA.

通知指出，价值观，因此包含适用于125 ℃和负荷整形缓冲电路是没有必要，只要把开关轨迹是局限于之交小康国家海洋局。

To be a civilized person is not necessary to do something big but one needs to begin with small things to improve ones self.

做一个文明的人，并非一定要去做什么轰天动地的大事，只要我们从身边的每一件小事做起，就可以完善自己的文明修养了。

Skimmers are not necessary for systems our size, though they can allow for a more lax maintenance routine. I say this because I ran my system for 3 years without one, and haven't seen enough change for the better since adding it. In fact, it has created new problems that may lead to its removal.

在这样的一个小缸，化蛋器并不是必需的，他们可以让我们维护更少一些，但是，3年以来，我没有化蛋器，一直也很好，即使后来加了化蛋，也感觉不到什么效果，反而化蛋有可能带来一些新的问题

The proposed method can work well under asymmetry element parmeters,and it is not necessary to consider the phase shift of ideal transformer or using multi-port net theory,which make the proposed method more applicable and simplify the calculat...

相分量算法不要求电力系统元件参数对称或循环对称、不利用多端口网络理论及理想变压器的移相，拓宽了故障计算的适用范围、简化了编程难度，并可推广到处理诸如线路换位不完全的参数不对称等其他电网不对称计算。

The proposed method can work well under asymmetry element parmeters, and it is not necessary to consider the phase shift of ideal transformer or using multi-port net theory, which make the proposed method more applicable and simplify the calculation program. The method is also capable of handling various unsymmetrical calcuations, such as the fault calcuation for power system without complete transposition.

相分量算法不要求电力系统元件参数对称或循环对称、不利用多端口网络理论及理想变压器的移相，拓宽了故障计算的适用范围、简化了编程难度，并可推广到处理诸如线路换位不完全的参数不对称等其他电网不对称计算。

The reasons why reverse current protection is not necessary in rectifiers of direct current traction substation are described.

摘要通过分析，阐述了直流牵引变电所内的整流器不必设置逆流保护的理由。你知道它的英文吗？

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。