There are four major disciplines in earth sciences, namely geography, geology, geophysics and geodesy.地球学又分为四大类, 即地理学, 地质学, 地球物理学和测地学.Physics and astronomy are cognate sciences.物理学与天文学是互有关联的科学.Most seem to come from tech...
A robot - arm from the Endeavour will grab the telescope.“奋进”号上的一只 机器手 将抓住望远镜并托住它.The disabled can use robot - arm to do some simple movements.残疾人可以用 机器手 做一些简单的动作.The end effector attaches itself to the end of the robot ...
You can chat to other people who are online.你可以和其他在线的人聊天。Online gaming allows players from around the world to challenge each other.网络游戏使得全球的玩家可以相互较量。Go to the website today and you can unsubscribe online.今天上网就可以退订。...
The line went dead. Whitlock replaced the receiver...线路中断了，惠特洛克把听筒放回原处。They replaced trams by buses.他们用公共汽车代替了电车.Cuts in funding have meant that equipment has been kept in service long after it should have been replaced....
在底片上把图像上部的这个不重要的细节涂抹掉.Block out this unimportant detail at the top of your picture.细长的上部结构,带有微缓斜坡接坡,比布置阶梯为优.A slender superstructure was dictated with gently sloping approaches rather than staircases.管子的下部可与上部分开.The lowe...
Gastrin and cholecystokinin and secretin act on the same target organs.促胃液素、缩胆囊素和分泌素作用于相同的靶器官.The hormone that stimulates gall bladder contraction was called cholecystokinin.刺激胆囊收缩的激素被称为胆囊收缩素.Objective : To probe the rel...