While there are a number of different ways that astronomers infer the existence of exoplanets, NASA's Kepler mission USES what's known as the transit method.

天文学家推断系外行星存在的手段有好几种，美国宇航局的开普勒项目使用的是凌日法。

youdao

Based on the principle of period transit method, semi-period transit method of collimation is proposed to improve the north-seeking speed and the automatic degree.

由陀螺仪寻北中天法的基本原理出发，提出了一种固定照准部的初寻北半周期中天法。

youdao

Integral lifting main body of a shield machine is a quick and simple shield machine transit method through subway stations, and can save subway station construction costs.

整体吊装盾构机主体是一种快速简便的盾构机转场通过地铁车站的方法，节约了地铁车站建设成本。

youdao

These are prime candidates around which to search for small exoplanets using the transit method.

ENGADGET: 9-gigapixel image of the Milky Way reminds us just how small we truly are

Kepler flags exoplanet candidates via the transit method, which looks for dips in a star's brightness caused by an object crossing in front of it.

MSN: Kepler telescope adds 41 planets to its list - Technology & science - Space - Space.com | NBC News

Today, we can measure interplanetary distances far more accurately than the transit method allows, though amateurs can still contribute their measurements using an app from Astronomers Without Borders.

CNN: A transit of Venus, an age of wondrous science