查询词典 not necessary

I didn't go for summer school* because I didn't think that it was not necessary.

我没有去补课，因为我觉得没有必要。

Pictures or tableaux of the various Stations are not necessary.

图片或tableaux各监测站是没有必要的。

The doctor fetal tachycardia think twice asked me to hospital, but some people say that is not necessary.

大夫认为胎儿心动过速，两次要求我住院，但又有人说没必要。

The analysis result proves that the design for improvement is more suitable for the design of longitudinal control laws for HALE tailless flying-wing UAV because the autopilot of flight control system is always in-the-loop, it is not necessary to consider the stability augmentation performance of control system such as traditional method.

分析结果表明，由于无人机飞控系统的自动驾驶仪是始终在环的，不必像传统方法一样考虑带有增稳的控制系统的稳定性。因此，改进的设计方法更适合于无尾飞翼式高空长航时无人机巡航状态的纵向飞行控制系统的设计。

Prior tanning is not necessary, however it is recommended.

预先日晒其实是不需要的，不过我们会建议您这麼做。

On the other hand the tax progression is not necessary based on the ability-to-pay principle.

量能课税原则虽为基本原则，仍在社会目的之税法规范与简化目的之税法规范中，受到限制。

It is not necessary for the tech to be a doctor.

这是没有必要为高科技是一个医生。

It is not necessary that the function definition is textually enclosed in the class definition: assigning a function object to a local variable in the class is also ok.

不是必须要将函数定义代码写进类定义中，也可以将一个函数对象赋给类中的一个变量。

Thulium Laser Enucleation of the Prostate is convenient,safe,efficient and bloodless surgical treatment for Benign Prostatic Hyperplasia with the shorter operation time.Additional devise,such as morcellator,is not necessary.

经尿道铥激光前列腺剜除术治疗前列腺增生症简便，安全，手术时间及术中出血量少，而无需组织粉碎器等额外设备。

The DC working points are not necessary to be involved in the above two predictive controllers, which are timesaving and more efficient for their practical implementation.

即不必考虑过程的直流工作点。这给预测控制算法的在线实现带来了很大的方便。

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。