查询词典 effective

So that a person's limited life, more effective, that is to lengthen human life.

使一个人的有限的生命，更加有效，也即等于延长了人的生命。

The goal, he said, is to make each attack less effective and lengthen the periods between them.

目标是，他说，让每一次袭击的损失降到最小，让每两次袭击的间隔越来越长。

To prevent direct sunlight from entering the lens, attaching a lens hood is effective.

阻止直射阳光的进入，最有效的办法就是外接一个遮光罩。

Using the wavelength of 650nm PIN photodiode to form the large effective screen area,laser screen velocity measurement system comprised of lens hood,interference filter and special photoelectric conversion circuit measure execution of projectile.

实验采用650nm波长的PIN光电二极管发出激光形成大面积光幕，经过遮光罩、干涉滤光片等光学器件和特殊的光电转换电路组成的光电靶测速系统测试弹丸的创伤性。

Q-Switched Alexandrite laser in treatment of freckles and lentigo was proved to be effective and safe.

标 签 Q开关激光雀斑及雀斑样痣疗效 Q-Switched Alexandrite laser freckles and lentigo effects

Newer vaccines effective against specific forms of the bacteria leptospirosis may be important in some areas.

现在，在一些地方，疫苗亦作为行之有效的抗细菌和螺旋体而受到重视。

In order to establish an effective regeneration system of Lespedeza formosa, the effects of 6-BA,2,4-D,NAA and seedling age on adventitious buds regeneration,proliferation and rooting of L.formosa were studied.

以美丽胡枝子为材料，研究了6--BA、2，4--D、NAA和苗龄等因素对其子叶节再生、节段扩繁和试管苗生根的影响，目的是要建立其高效再生体系。

Is the common cry of the people to let off steam, but it is not effective.

哭是人们常用的发泄方式，但它并不管用。

The promise must be clear and complete. The original copy of the letter of undertaking it must be provided, in which the effective stamp of the enterprise or the signature of the legal person must be attached.

对货物环保质量控制的承诺（对供货来源及供货方环保质量控制的承诺）：要求承诺内容明确完整，承诺书要提供原件应有供货企业有效印章或法人签字。

The original copy of the letter of undertaking it must be provided, in which the effective stamp of the enterprise or the signature of the legal person must be attached.

对货物环保不合格处置所需承担相关费用的承诺：要求承诺内容明确完整，承诺书要提供原件应有供货企业有效印章或法人签字。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？