查询词典 double-entry system

In the performance test of the small engine,the double closed-loop control system can implement constant engine speed control.

在小型发动机性能测试平台中，重新设计了电涡流测功机的控制系统，采用双闭环恒转速控制系统对发动机进行恒转速控制，解决了单环控制性能不佳的问题。

Double homoclinic loops; Resonant eigenvalues; Nontwist; Periodic orbit; Bifurcation; Periodic solution; Predator-prey system; Fixed point theorem; Coincidence degree; Delay; Functional response function

基础科学，数学，动力系统理论双同宿环；共振特征根；非扭曲；周期轨；分支；周期解；捕食者-食饵系统；不动点定理；重合度；时滞；功能反应函数

Then analyzed has compared the contravariant controller control strategy, in established in the SPWM inversion linearization model foundation to analyze the necessity which double-circle controlled, and in controlled in the link to introduce the PID adjustment, enhanced the control the dynamic response ability and the system stability, enhanced the power source the load compatibility and the output stability.

接着分析比较了逆变控制器的控制策略，在建立了SPWM逆变器的线性化模型基础上分析了双环控制的必要性，并在控制环节中引入PID调节，来提高控制的动态响应能力和系统的稳定性，以提高逆变电源的负载适应性和输出的稳定性。

In order to enhance the process speed, the double CPU is used in the system.

设计电路时，为了提高系统的处理速度，采用双CPU结构的设计思想。2。

The skeleton system of the crested tree lizard was studied by the transparent double-staining method in this paper.

用透明骨骼标本染色法制作变色树蜥的骨骼标本，并对其骨骼系统进行了全面的描述。

The development of double criminality principle accelerates the development of extradition system.

它自身的发展又促进着引渡制度的发展。

The double antibody sandwich ELISA system was established for diagnosis of acute and chronic schistosomiasis. We found that the positive detection rates of this method for acute and chronic schistosomiasis achieved 79.4% and 64.4%, and the specificity was 92%. The rates of cross-reaction with paragonimiasis, clonorchiasis, and hockworm infections were 20%, 20.8%, and 14.8%, respectively.

成功建立体系IgG-IgY ELISA，用于检测急性血吸虫病患者血清和慢性血吸虫病患者血清的阳性率分别为79.4%和64.4%，最低灵敏度为9.3ng/ml，检测正常人血清的特异性为92%，与肺吸虫、华支睾吸虫、钩虫患者血清的交叉反应性分别为20%，20.8%，14.8%。

This system is developed to meet the task of crossbeam structure welding with two wires, double faces and multi-pass.

该系统是为实现梁型结构件表面焊缝的双丝多道双面焊接专机的焊接要求而研制的。

In experimental studies an experimental system has been constructed, which is suitable to investigate the Q-V characteristics under damped oscillation and double exponential impulses.

在试验方面，首先建立了一套适合于衰减振荡波和双指数雷电波等快速冲击电晕伏库特性研究的模拟试验系统。

High accurate double channels rotary transformer is the position detecter of the launcher, feeding back the position information of the closed-loop control system.

采用高精度双通道旋转变压器作为发射架的位置检测装置，实现了闭环控制系统中位置信息的反馈。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。