1) low temperature fluctuation
低温波动
1.
ased on field observation and measurement of periglacial phenomena, radiocarbon dates and sporopollen analysis of the samples from the Diaojiaohaizi section, this paper has inquired into the low temperature fluctuations in the Holocene in Daqingshan Mountains.
根据调角海子剖面寒冻现象的野外观察与测量、室内测年分析及孢粉分析等资料，对调角海子地区全新世低温波动进行了探讨，并与邻近地区的多种研究资料进行了对比。
2) cold start
低温启动
1.
The effect of such factors as mixed inflammable gas,sparkplug,ambient medium and temperate zone on the cold start of chainsaw is discussed theoretically,which provides theoretical basis for further solution to the problem.
从理论上探讨了可燃混合气及火花塞电极、周围介质和温带等因素对油锯低温启动性能的影响,为进一步解决这一问题提供了理论依据。
3) low-temperature starting
低温启动
1.
The low-temperature starting and pressurized power recovery of diesels in plateau environment are discussed and analyzed,some solvable measures and methods are put forward.
对高原环境下柴油机的低温启动和增压功率恢复进行了探讨和分析,提出了一些解决措施和方法。
4) low temperature starting
低温启动
1.
Analysised the main factors affected the diesel engine s low temperature starting.
分析研究了影响柴油机低温启动的主要因素,结果发现,在低温情况下的启动力矩减小、阻力矩增大和着火困难是导致柴油机低温启动困难的主要原因,并提出了相应的改善措施。
补充资料：X线的波动性
X线的波动性
物理学术语。X线是一种波长很短的电磁波。其波动性主要是表现以一定的波长和频率在空间传播，并发生折射、反射、干涉、衍射等现象。X线是一种横波，以波动方式传播，在真空中其波速与光速相同。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条