spark source 火花电离源 ; 电火花震源 ; 火花源 ; 火花光源
spark source mass spectrometry 火花源质谱法 ; 花源质谱
spark source mass spectrometer 火花源质谱计
AC spark source 交流火花光源
spark source ionization 火花源电离作用
spark source mass spectrograph 释义火花源质谱仪
spark source atomic emission spectrometry 火花源原子发射光谱法
spark source atomic emission spectrometer 火花源原子发射光谱仪
spark source mass 火花源质谱
Borehole spark source 井下电火花震源
Tip: For spark in a backlit portrait or silhouette, try compositions that include the light source. This can drive your meter crazy, though, so bracket your exposures.
小提示:在拍摄背光照明的人像或剪影时,试着将光源纳入构图中,但是这样会导致测光表读数不准,因此可以尝试使用包围曝光法。
This is another area where the tool can be the source of the spark or heat causing ignition of flammable materials.
这是工具可能成为火花源或热源并点燃可燃物的又一类区域。
Repeatability and reproducibility of carbon in low-alloy steel analyzed by spark source atomic emission spectrometry are studied.
研究了火花源原子发射光谱仪分析低合金钢中碳的重复性和再现性。
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