查询词典 zero beating

The ways of parallel resonant DC link and three-level control strategy were used in this power amplifier circuit. Output current ripple of power amplifier can be reduced as three-level power amplifier, all of power switches work on and off under the zero voltage switching or zero current switching, loss of switching and current ripple interference effectively reduced.

该电路在功率放大器三电平控制策略的基础上应用了并联谐振直流环节，保持了三电平功率放大器输出电流纹波小的优点，同时功率器件均工作在零电压或零电流条件下，开关损耗、电流纹波干扰有效地减小。

Nitrate-N content in 0~60cm soil profile with intercropped faba bean and pea are lower than the monocrops under zero N application and 225kghm^(-2) N application; while that with soybean lower than the monocrop at zero N application, but higher at 225kghm^(-2) N application.

玉米收获期，不施氮条件下3种豆科作物间作0~60cm土壤硝态氮含量均低于单作；225kghm^(-2)氮水平下，蚕豆、豌豆间作0~60cm土壤硝态氮含量低于单作，而间作大豆0~100cm土壤硝态氮含量高于单作。

Reductive dechlorination of polychlorinated biphenyls by zero-valent metal ;2. Zero-valent metals can be used to treat many kinds of pollutants including Organohalides,heavy metal,nitro-aromatic compounds,azo dye,perchloride and nitrate etc.

介绍了零价金属在处理环境污染物中的具体应用，包括卤代有机物、重金属、硝基芳香族化合物、偶氮染料、高氯酸盐以及硝酸盐等，指出零价金属可以通过还原和混凝吸附等作用有效地治理环境污染物，并分析了零价金属处理污染物的特点和应用前景。

If the firm's demand curve becomes perfectly elastic the inverse of the PED will be zero meaning that the firm has zero market power.

如果一个公司的需求曲线很有弹性，则PED的反作用力为零，这就意味着这个公司毫无市场力。

After the structure of zero tree for embedded coding is analyzed in detail, the coding information of each bit plane for a zero tree can be obtained simultaneously.

提出了比特平面并行处理的零树编码结构。

In this paper, the physical meaning of zero point of charge measured by acid-base potentiometric titration is discussed and it is considered to be zero point of net charge.

探讨了电位滴定法测定的零电荷点的物理意义，认为是零净电荷点。

The main problem with the radix -1 complement is that a negative or a positive zero exists; in the radix complement system, only a positive zero can exist.

反码的主要问题是它存在负零或者正零，而补码系统中只能存在正零。

If in EA calculation values calculated on a zero bar are not used at all, we naturally would like to omit unnecessary recalculation on the zero bar and on the first bar.

如果在ea计算值计算零酒吧不是用来在所有，我们当然想省去不必要重新对零酒吧和关于第一大律师资格。

Production Planning Supervisor is responsible for ensuring Safety of his/her team and contribute to organizational goal of "Zero" Lost Work days and "Zero" recordable.

b 生产计划主管负责确保其小组成员的安全，同时为组织目标"0事故率"记录为"0"作出贡献。

The reason that zero can not be divisor, is right?Feng XinkongIn the eighth book of six-year primary school's teaching in nine-year compulsory educationmaterials, it states that "zero can not be divisor". But we can find that the formula, a=cq, checking the dividing exactly , is same as the form of direction proportion function, y=kx; the formula of checking the dividing not exactly, a=cq+r, is same as the form of simple function.

在九年义务教育六年制小学教科书《数学》第八册中规定"零不能作除数"，但是当我们学习了正比例函数和一次函数之后就会发现，验算能整除的除法的关系式a=cq和正比例函数y=kx的表示形式相同；验算有余数除法的关系式a=cq+r与一次函数的关系式y=kx+b的表示形式相同。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。