英语词汇“BY Dra star”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	BY Dra star
释义	BY Dra star 天龙BY型星；光谱型为K和M的带发射线的矮星；有准周期光变；光变幅小于 0.5目视星等；周期通常从短于1天至几天；光变曲线的形状在变化；表面有黑子活动。
随便看	temperature gradientthermal gradient temperature-gradient type incubator temperature gradient uniformity temperature gradient zone melting temperature gradient zone-melting temperature-gradient zone melting temperature-gradient zone refining temperature grads temperature graph temperaturegravity conversion table temperature gravity conversion table temperature-gravity conversion table temperaturegravity graph temperature gravity graph temperature-gravity graph temperature green function temperature group of light source temperature growth time temperature halo temperature hardened spectrum temperature head temperature-height diagram temperature, high temperature high-energy ball milling temperature history