他们愿意采用诸如squeak之类的语言是因为这个框架的生产效率非常高，大大降低了开发的总成本，并提前了产品进入市场的时间。
They're willing to put up with a niche language like Squeak because the framework is so productive, lowering the total cost of development dramatically, and improving time to market.
将天窗总成放置在水平面上可能导致天窗总成框架受损。
Placing the roof assembly on a level surface can damage the roof assembly frame.
浮吊结构包括臂架、变幅钢丝绳、系固钢丝绳、桁框架、人字架、配重箱、回转底盘总成及回转支承等部件。
Floating crane structure mainly include boom, amplitude varying wire rope, tied back wire rope, truss frame, A-frame, counterweight box, rotating machinery base, and rotary bearing structure.
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