该方法不需要安全或者等幂.This method does not need to be either safe or idempotent.这个矩阵是等幂的.This matrix is idempotent.利用差分论证了等幂和一般公式的唯一性,它可用插值法构造,也可用待定系数法求得.It can be structured by interpolation or be got by method of undetermined c...
When his master's off traveling, Caleb stays with Pierre's parents.凯莱布在主人外出旅行时与皮埃尔的父母住在一起。We have a beautiful city and we pray it stays that way.我们的城市很美丽,但愿它能保持下去。She always stays cool, calm and collected in a ...
孩子们在充气的城堡上嬉戏。The children were playing on the inflatable castle.那是条可充气的橡皮船.That is an inflatable rubber boat.用来给浮箱(气球)充气的附加空气罐.Extra air tanks to fill lifting ballons....