不必要

Minimize unwanted reflectance; the background should be plain white or off-white.

背景– 拍摄物背后的区域；必须平坦、无图案，将不必要的反射率降

On the other hand, if your opponent doesn''t attack backspin well, why "force" your attack, and make mistakes?

反过来，如果你对手进攻下旋不好的话，为什么"强迫"自己进攻造成不必要的失误呢？

New research on measures to estimate the pretest likelihood of bacteremia offers promise in reducing unnecessary blood culture utilization.

新的研究估计了可能产生菌血症的阈值，提供给我们一种减少不必要血培养的前景。

Don't use unnecessary names, Mr Balfour,' he said.

不要用不必要的名字，鲍尔弗先生。

You will cease banging your fingers, because it will hurt your mouth .

你会停止手指上不必要的大动作，因为这会弄疼你的嘴。

If you've had your system for some time then you'll be astonished at the number of unnecessary Windows registry keys and files hanging around, just waiting to strike.

如果您在您的系统一段时间，接著，您感到惊讶有多少不必要的Windows注册表项和文件，挂在靠近，只是等待罢工。

Do what you think is the right thing, but be detached from the outcome.

避免不必要的冲突如果我们与他人维持一种和谐的关系，生活将会变得不可想象的简单。

Spare valve in cooling water system should be shut up in order to avoid unnecessary consumption.

不用的冷冻机的阀门一定要关死，避免不必要的能量消耗。

Therefore we believe that it is totally unnecessary to be wary of China-Africa energy cooperation.

所以我们认为有些人对中非能源合作的担心是完全不必要的。

The government is casting a beady eye over severance terms and early retirement in the civil service.

的工资。政府正监视着行政部门中出现的因终止合约和提早退休所带来的不必要支出的行为。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐