The starting system is a type of electrical circuit that converts electrical energy into mechanical energy.

启动系统是可以将定能转化为机械能的一种电路。

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"We are starting to see a whole new type of planetary system, which is unlike anything in our own solar system, " said astronomer William Welsh at San Diego State University, who presented the Kepler findings Wednesday at a meeting of the American Astronomical Society in Austin, Texas.

WSJ: Galaxy Hosts 100 Billion Planets, in New Estimate

"We are starting to see a whole new type of planetary system, which is unlike anything in our own solar system, " said William Welsh, an astronomer at San Diego State University, who presented the Kepler findings Wednesday at a meeting of the American Astronomical Society in Austin, Texas.

WSJ: Galaxy Hosts 100 Billion Planets, in New Estimate