微引力透镜（Gravitational microlensing）是发生在恒星级天体中的引力透镜现象。
...rect methods(commonly used): •Radial Velocity(Doppler technique)(视向速度) •Transit（掩食） •Microlensing(微引力透镜) Kepler卫星：Precisely measures the light variations from thousands of distant stars, looking for planetary transits.
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微引力透镜效应 microgravitational lensing
The difference among strong lensing,weak lensing and microlensing is discussed. The definitions and expressions of optical depth and time scale of light variance are also listed,which are two important parameters of microlensing.
综述了一些关于引力透镜的一些基本概念和基本公式,其中简单讨论了强引力透镜、弱引力透镜和微引力透镜的区别,并列出微引力透镜的两个重要参数光深和光变时标的定义及表达式。
参考来源 - 利用微引力透镜效应搜寻银河系内的重子暗物质·2,447,543篇论文数据，部分数据来源于NoteExpress
这一项目的主要目标是，捕获重力微引力透镜效应，看不见的星体在背景星和地球之间穿过。
A major goal of the project is to capture gravitational microlensing events where an unseen body passes between a background star and Earth.
最终的进展花费了几个月的时间去证实，并且这是研究者们第一次使用一种叫做微引力透镜的新技术。
The breakthrough eventually took several months to confirm and was the first time researchers used a new technique called gravitational microlensing.
研究小组利用一种叫做引力微透镜的技术发现了十颗失控的行星。它们的平均质量与木星相似。
The team spotted ten runaway planets-with an average mass similar to Jupiter 's-using a technique called gravitational microlensing.
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