Noun:

1. the quality of being of practical use

There are doubts about the usefulness of these tests.

这些试验是否有用，人们有所保留。

The building has outlived its usefulness.

这座楼房已超过使用年限了。

The slow cooker is very useful for people who go out all day...

慢炖锅对于整天都不在家的人来说很有用。

Hypnotherapy can be useful in helping you give up smoking...

催眠疗法可能有助于你戒烟。

The accommodation is some distance from the clubhouse, so a hire car comes in useful.

住处离会所有一段距离，所以租一辆车会很有用。

Application is the key on our life, otherwise the Bible is usefulness.

应用是关键, 否则《圣经》就是无用的.

Many of them did not primarily seek wealth, but usefulness to God.

他们当中许多人主要不是追求致富, 而是使钱财为神所用.

He has outlived his usefulness.

他已老而无用了.

It is of the greatest usefulness.

它是极有用的.

Lack of usefulness, worth, or effect; worthlessness.

把某事物中没有价值或已损失的部分取消.

What is more, some experts doubt the usefulness of CRP for patient screening in the clinic.

此外, 有些专家也质疑crp用在临床筛检上的实用性.

The theory is of limited usefulness.

这个理论用途有限.

The nature of commodity is the characteristic of usefulness, scarcity, limit and exchange.

商品的本质属性是有用性 、 稀缺性 、 有限性和交换性.

In terms of practical rock slope engineering, these methods have limited usefulness.

对于实际岩石边坡工程来说, 这些方法的实用性很有限.

Raised a work efficiency not only, and raised quality, promised accuracy, usefulness and credibility of data.

不但提高了工作效率, 而且提高了质量, 保证了数据的准确性 、 有效性和可靠性.

When he retired he felt that he had outlived his usefulness , ie was no longer useful.

他退休时方觉得自己年老无用了.

The report is of potential usefulness to the government.

这个报告可能对政府有用.

The advisory group has outlived its usefulness.

顾问组已失去了它的作用.

I hope l shall never survive my usefulness.

我希望在我有生之年永远不要变成废物.

I was persuaded of the usefulness of his new device.

我相信了他的新装置的实用性.

Maybe that will combine the usefulness of the two rules, without the drawbacks.

也许这将那两条规则的作用整合到了一起, 没有不好地方.

The need and the usefulness of a bilingual publication of the common law cases are apparent.

显然而见,以双语出版普通法案例是有需要的,带来的好处亦不少.

Badly written questions limit the usefulness of questionnaires.

问题设计得不好,调查问卷的用途就会打折扣.

Because the carbon content of steel largely determines its usefulness for specific application.

因为钢的含碳量在很大程度上决定了钢在具体应用时的范围.

Here is an example of the usefulness of the concepts of angular impulse and angular momentum.

这有一个例子,可以说明角冲量和角动量概念的用途.

This tool even more has usefulness than that.

这个工具比那个更有用.

Availability, cost, and predictive value limit the usefulness of antibody testing.

可获得性 、 成本和预期值限制了抗体检测的应用.

Man early learned the usefulness of weapons.

人类很早以前就知道了武器的用处.

The index adds appreciably to the usefulness of the book.

索引明显地增加了这本书的实用价值.

There are doubts about the usefulness of these tests.

这些试验是否有用，人们有所保留。

• usefulness%20index">usefulness index实用性指数
• usefulness">decline in economic usefulness经济效用减低...