查询词典 reference cycle

A cycle is one complete reversal of an alternating current or voltage from zero to a positive maximum to zero again and then from zero to a negative maximum to zero again. The number of cycles per second is the frequency.

周期周期是指交流电流或电压从零到正最大值再到零，然后从零到负最大值再到零这样一个往复的过程；而频率则是指每秒可完成的周期数。

A strong cycle of alternating booms and slumps has affected all types of development.

一个涨跌交替的有力周期已经影响了各种类型的发展。

The gamete-producing individual or phase in the life cycle of a plant having alternation of generations.

在一种植物的生命周期中产生配偶子的个体或阶段，从而引起一代代的更替。

The spore-producing individual or phase in the life cycle of a plant having alternation of generations.

在一种植物的生命周期中产生孢子的个体或阶段，从而引起了一代代的交替。

Access to a large number of Chinese and foreign literatures, this text summarized the life cycle of aphids including anholocyclic type, heteroecious holocyclic type and antoecious holocyclic type, and the important biological characteristics including alternation of generations, difference of hibernation and polymorphism, it offered the theory basic of comprehensive prevention and control.

通过查阅大量的中外文献，对蚜虫生活周期的不全周期生活史、全周期同寄主生活史和全周期异寄主生活史进行了阐述，归纳出蚜虫生活周期中的世代交替、越冬方式的差异、多型现象几个主要生物学特点，为蚜虫的科学控制提供一定的参考价值。

Plantae in the part of the green algae, must Most red algae and brown algae, all higher plants (including mosses, ferns, naked child, and angiosperms) and all have alternation of generations life cycle.

植物界中的部分绿藻、绝大多数红藻和褐藻、全部高等植物（包括苔藓、蕨类、裸子和被子植物）的生活史均具有世代交替。

When deep cycle batteries are used in boats, it is necessary to have considerably greater amperage than that required by the engine starter.

当深循环电池中使用的船只，这是需要有相当大安培，比所需要的发动机起动。

Increased compressor cycle starts require greater amperage draw which increases your energy costs.

增加压缩机周期开始需要更多的安培抽奖，您的能源成本增加。

With an average duty cycle of 50%.

以50％的平均工作周期。

Results: The left and right ventricular pressure curves of each cardiac cycle from the analogue experiment are much close to the pressure curve in human physiological system.

结果 ：模拟实验得到的左、右心室心动周期压力曲线和正常生理情况下的左、右心室心动周期压力曲线非常接近。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。