Neglecting friction, you desire to life a 300 kgs weight with a stress on the hauling part of 100kgs.Which of the following tackles would you use ?（）. ["Gun tackle","Luff tackle","Toe-fold tackle","Double-luff tackle"]
下面对新凯越描述错误的是（）。 ["全系标配立体分层晶钻前大灯","全系标配直瀑型镀铬隔栅","全系标配拉出式门把手","全系标配六安全气囊"]
招标过程数据积累的业务意义是什么？
Never（）stowed like this. ["optional cargo should be","should optional cargo be","should be optional cargo","should optional cargo"]
权等于1的观测量称为什么？
影响跳汰机选分过程的因素是什么？
