step-down的例句大全

The effects of eel oil capsule on memory obstruction of mice were observed in step-down test, step-through test, Y-maze test and Japanese labyrinth test.

本文采用小鼠跳台法、避暗试验、Y型迷宫试验、日式迷宫试验等方法，研究鳗鱼油胶囊对樟柳碱致小鼠记忆障碍动物模型学习、记忆等能力的影响。

The performance data of changing working conditionings mode and changing voltage and adjunctive heat transfer temperature difference and welded resistance and stray heat exchange and element ability step-down effect on the performance data of thermoelectric refrigerator are analyzed.

分析了热电制冷器的制冷工作特性、变工况特性和变电压特性，同时分析了附加传热温差、焊缝电阻、杂散热交换、元件性能下降对热电制冷器性能的影响。

For the software parts, according to the working characteristics of energy saving controller and the energy-saving way, closed-loop control strategy for step-down regulator, time regulator, other specific methods and software implementation process were designed.

软件部分针对节能装置的工作特性与节能方式设计了降压稳压的闭环控制策略、定时调压等实现方法和软件流程。

Methods Forty-five mesiobuccal root canals in fleshly extracted nu a an molar teeth were instrumented by the step-back technique, the step-down technique or the passive step-back technique.

目的对逐步后退法、逐步深入法、被动逐步后退法（超声波与手用器械联合应用）三种不同方法预备后牙细弯根管的根管清理能力及操作时间进行比较研究。

Establishment of animal behavioral model of tinnitus with step-down test

跳台反射法耳鸣动物行为学模型的建立

Electronic expansion valves ( EEV) are throttling components in refrigeration system. It can adjust the flow of refrigerants, throttle step-down, and control superheat in system.

电子膨胀阀（EEV）是制冷系统中的节流元件，它在系统中的主要作用是调节系统制冷剂流量、节流降压及控制过热度。

It is rare to see a fission reactor in series connected to the low voltage side of the transformer in a step-down substation.

作为一座降压变电站，其变压器低压侧串联一台分裂电抗器运行的情况并不多见。

Power Transmission Model of Step-down Piezoelectric Transformer and Decomposition Analytic Approach for PT Converter

降压型压电陶瓷变压器功率传输模型及其变换器撕裂分析法

Brief Discussion of Adopting the Local Measurement Mode to Reduce the Secondary Voltage Step-down

浅谈采用就地计量方式降低PT二次压降

The design of power in accordance with ordinary laboratory user requirements, parameters of the proposed based on pulse width modulation ( PWM) high efficiency, low power switch power dc voltage converter design method, adopts full bridge, step-down, mainly push-pull loop circuit topology.

本设计依照普通实验室用户对电源参数的要求，提出了一种基于脉冲宽度调制（PWM）高效率、低功耗开关电源直流电压转换器的设计方法，采用全桥、降压、推挽回路为主电路拓扑。

there is an age related decline in the performance of step-down passive avoidance test.

跳台实验中小鼠被动逃避反应的记忆保持能力呈随龄性降低。

the guy had set up his pedal-operated sharpening stone in one of the gloomy step-down doorways in the south end.

这伙计在南城一个阴暗的减缓的门道里安装了踏板操纵的磨刀石。

step-down photoelectric parameter of high voltage sodium lamp and its energy-saving application

高压钠灯电压降低时的光电参数及节能应用

the a8698 is a constant off-time current mode step-down regulator with a wide input voltage range.

A8698是带宽输入电压范围的恒定停机时间电流模式降压稳压器。

their step-down latency ( sdl) and escape latency ( el) in a passive avoidance, and food-hunting time in a maze were determined.

在被动回避装置上测定小鼠的跳台潜伏期（SDL）和逃避潜伏期（EL），在复杂迷宫上测定小鼠的觅食时间。

mice were given different doses of walnut oil once a day lasting two weeks. their step-down latency ( sdl) and escaping latency ( el) in a passive avoidance device, and food-hunting time in a maze were determined.

以不同剂量核桃油给小鼠灌胃，每天1次连续2周，在被动回避装置上测定小鼠的跳台潜伏期（SDL）和逃避潜伏期（EL），在复杂迷宫上测定小鼠的觅食时间。

A step-down transformer has a turns ratio less than 1.

降压变压器 的匝数比小于1.

A step-down transformer can reduced a voltage to whatever value is desired.

降压变压器 能把电压降到所需的任何值.

The secondary system consists of step-down transformers and secondary circuits at utilization voltage levels.

二次配电系统是由 降压变压器 和满足最终用电设备电压等级的二次电路组成.

Major decomposition techniques include the Principal Component Analysis ( PCA), the eigenspace comparison method, the MTY method, the step-down method, and the multiway kernel PCA method.

主流分解技术包括了主成分分析（PCA），特征空间比较法，MTY方法、步降方法、多向核主成分分析方法。