你可以和其他在线的人聊天。You can chat to other people who are online.他们可以在线下订单。They can order their requirements on line.在线辅导可供查阅。An online tutorial is provided....
As far as mathematicians are concerned, there's a certain virtue in wearing intellectual blinkers.就数学家们来说，用学者的眼光来看问题不无裨益。Noncommuting objects are as real to the mathematicians as commuting objects.对于数学家来说,不可交换的对象与可交...
这种鱼为长圆形, 侧扁, 头大.The fish is long, round, flat, and has a large head.扁头发炎怎么办?How does flat head agnail do?认为扭振 、 疲劳裂纹及材质是导致万向接轴扁头断裂的主要原因.The result shows that torque, fatigue crack and material are the main reasons for th...