Oven controlled crystal oscillators are used widely in PD radars for high stability but there are frequency shift during the warm-up time which is about 5 to 10 minutes .

PD雷达频率综合器往往采用恒温晶体振荡器（OCXO）来实现高稳定度的性能，但 OCXO 的 温 升过程中存在输出信号频率 慢漂的现象，其 温 升过程在 低温条件下 开机大约持续 5~10min。

The warm-up cycle is the time which the engine requires to reach operating temperature .

预热周期指的是发动机达到运行温度所需要的 时间。

Semiconductor devices have no filament or heaters and therefore require no heating power or warm-up time .

半导体器件没有灯丝，因此也不需加热功率或 加热 时间。

The effective warm-up activity is the main aspect that makes the athlete gain the ideal result at the same time it decreases the athlete 's failure because of the mistake of the warm-up activity .

有效的 准备活动是使运动员在比赛中取得理想运动成绩的主要因素， 同时也减少运动员因准备活动失误而导致比赛失败。

This is mainly because the ethanol evaporating under low temperature is poor in addition to the large latent heat of vaporization evaporation further reduces engine inlet or cylinder temperature causing a problem in cold start difficulties or longer warm-up time .

这主要是因为低温下乙醇的蒸发性很差，加之汽化潜热较大，蒸发时进一步降低发动机进气道或缸内温度，造成冷启动困难或 暖 机 时间过长等难题。

The key factors that caused crack of reactor container are : warm-up temperature too low before welding heat preservation time too short of high temperature temper the welding complex of transition layer .

得出了导致反应器筒体焊缝开裂的主要因素是焊前 预热温度偏低、焊后高温回火保温 时间不足以及复合钢板过渡层焊接的复杂性；

Larger numbers of WebSphere Commerce cluster members will show higher degradation as they are all competing for the single database instance during this warm-up time .

很多WebSphereCommerce集群成员都将 经历较长的 响应 时间，因为他们都要在 预热期间争夺单个数据库实例。

Compared with the conventional mechanical gyro the fiber optic gyro ( FOG ) has many advantages such as high sensitivity short warm-up time light weight wide dynamic range low energy consumption low cost and so on .

与传统的机械陀螺相比，光纤陀螺具有灵敏度高、 预热 时间短、重量轻、动态范围大、能量消耗低、造价低等优点。

Multiple clients should also be used to speed up the warm-up time .

还可以使用多客户端（multipleclients）来加快 准备 时间。

Based on the simulated thermal transient results the structure and material of the TWT key parts have been optimized to shorten the warm-up time and to improve its fast response ability .

基于瞬态热模拟分析结果，优化设计了阴极组件中关键部件的结构及材料，有效地缩短了 阴极 预热 时间，提高了行波管快速反应能力。

A Novel Method to Shorten the Warm-up Time of Closed-loop IFOG

一种缩短闭环干涉式光纤陀螺仪（IFOG） 预热 时间的方法

No warm-up time or flickering which insures quick and reliable color judgment .

无 预热 时间，无闪烁，保证快速地对颜色进行评估。