number-plate light

The results are generally consistent with ASTM smoke point and luminometer number methods and are, therefore, useful in assessing fuel quality in light of industry-accepted standards.

该结果一般与ASTM烟点和辉光值方法是一致的，因此可以用来按工业可接受的标准评定燃料油的质量。

Sound waves, light waves, and radio waves have a certain frequency, or number of waves per second.

声波、光波或无线电波等都有特定的频率，或者说是每秒的波数。

Enhancing the number-noise squeezing of output light of a LED driven by high-impedance constant-current source using negative feedback

负反馈提高高阻恒流源驱动的LED的输出光场噪声压缩量

In the light of this information it is now possible to identify a number of key issues.

根据这一信息，现在有可能弄清楚几个关键问题了。

I couldn't make out the house number in the murky light.

在昏暗的光线下我看不清房子的门牌号。