This allows the main module to be customized by application type.

这允许按照应用程序类型定制主模块。

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Notice that we are still sending the /api requests to the main module.

注意，仍然把 /api 请求发送给主模块。

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In terms of rules, switch condition between the main module and the backup module was set.

根据规则确定主模块与热备模块间的切换条件。

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The weight of the lunar module, on top of the command and service module, was the main reason why the Saturn V rockets that shot Apollo astronauts into space needed to be the tallest, heaviest and most powerful ever flown, a record they still hold.

ECONOMIST: Space lifts

Artist renderings of the module resemble a tinfoil clown nose grafted onto the main station.

NPR: Space Station To Get $18 Million Balloon-Like Room