不必要

On the other hand,the structure of differential operator and that of difference operator are very similar,therefore,it is a urgent task to find in the current scientific research a new theoretical framework,which can unify the continuous systems and the discrete ones for the sake of study in order to not only avoid unnecessary repetition in work but also be able to make better insight into the nature of the differences among different systems.

因此，能否找到一个新的理论框架，将连续系统与离散系统统一(来源：9dABC论9e9e文网www.abclunwen.com)起来进行研究，从而避免不必要的重复工作，且能更好的洞察不同系统之间的本质差异，已是当前科学研究的当务之急。

In many cases, it is unnecessary to dilute the sample solution prior to analysis.

在许多情况下，在分析之前也不必要稀释试样。

Upper plastic of dining table has spread some dining-table upper berths though plastic cloth, accumulating dust , bacterium etc.

有的餐桌上铺了塑料布，虽然美观，但容易积累灰尘、细菌等，另外，很多塑料布是由有毒的氯乙烯树脂制成的，餐具和食物长期与塑料布接触，会沾染有害物质，从而引发许多不必要的疾病，影响健康

Such a semiconductor device is directed to making unnecessary circuit operation inactive to reduce power consumption because of leakage current.

在此提供一种半导体器件，其停止不必要的电路操作，以减少由于泄漏电流所造成的功耗。

As the dweller Supreme Court examines whether the fatal shot is feat prisoners to expire in extra discompose archangel sets discover to encounter a resolution which is essentially humane.

正当美国最高法院审查注射死刑是否会让罪犯死在不必要的痛楚之中时，Michael 着手寻找一种根本地人道的方案。

As I see it, though, the worries are understandable yet completely dispensable.

我认为，这种担心是可以理解的，但完全是不必要的。

Graphics that are larger than necessary, for example by having a higher resolution than is displayable on the device or by having too many colors, waste bandwidth.

不必要的大图形浪费带宽，像那些超过设备屏幕显示能力的高分辨率或高彩图形。

We can see that in most cases, the distinguishability of a homomorphic signature system is not necessary.

可以看到，现有定义中同态签名系统的不可分辨性在大多数情况下是不必要的。

Furthermore, predetermined algorithms that suggest replacementof third space losses and losses through diuresis are unnecessary.

而且，建议补充第三间隙丢失和利尿丢失的预定运算法则是不必要的。

Nor are there any repetitions or unnecessary doublets.

也没有重复或不必要联。

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