standard candle
英 [ˈstændəd ˈkændl]
美 [ˈstændərd ˈkændl]
网络 标准烛光; 标准烛光法; 标准蜡烛; 规范烛光
英英释义
noun
- the basic unit of luminous intensity adopted under the Systeme International d'Unites
双语例句
- At last, to analyze the errors and validate the system on the standard A lamp, we did some tests for the candle flame temperature distribution, and got good result.
最后对火焰温度测量系统进行误差分析，并运用近似黑体的标准A光源对测量系统进行标定，建立了一种温度分段线性拟合的方法，通过实际对蜡烛火焰的测温试验，得到良好的测温结果。 - Since the speed of light is constant, knowing how far away such a "standard candle" is ( calculated from its apparent brightness seen from Earth) is to know how long ago it exploded.
再加上光速是恒定的，知道这样一盏“标准蜡烛”离地球多远（根据地球上观测的视觉亮度计算得出）就能知道它是多久以前爆发的。 - Supernovae of Type la ( SNe la) are becoming more significant objects, which can be used as a standard candle to measure distances to remote galaxies-and hence to determine the expansion rate of the universe.
Ia超新星作为测量遥远星系距离（从而测定宇宙膨胀速率）的标准烛光，已经成为具有重要意义的天体。 - In order to count lactic acid bacteria in living lactic acid bacteria products accurately, we substituted the aerobic culture method adopted in present national standard in China with CO 2 method ( removing oxygen from an airtight container by burning of candle).
为快速、准确地计数活性乳酸菌制品中的乳酸菌，用CO2烛缸法代替现行国家标准GBT16347&1996活性乳酸菌饮料中乳酸菌微生物检验方法中的有氧培养法。