Loop , for example , tab and shift - tab will move you back and forth between the different parts of the loop - the iterator , the test expression , the increment expression , and the loop body 循环的模板，那么使用tab和shift - tab键就可以在循环的不同部分（循环变量、测试表达式、增量表达式和循环体）之间来回移动。
Players need to control the screen of bad people constantly moving back and forth to the bacteria floating around shooting , eliminating the same time , also need to avoid their being exposed to bacteria 玩家需要控制画面中的小人不断来回移动，向左右漂浮的细菌射击，将其消灭，同时，也要避免自身被细菌接触到。
The dom is useful for modifying xml documents , because you can create a dom tree , modify it by adding new nodes and moving subtrees around , and then produce a new xml document as output Dom可以用于修改xml文档，因为可以创建一棵dom树，通过添加新节点和来回移动子树来修改这棵树，然后生成一个新的xml文档作为输出。
Introduction : players need to control the screen of bad people constantly moving back and forth to the bacteria floating around shooting , eliminating the same time , also need to avoid their being exposed to bacteria 玩家需要控制画面中的小人不断来回移动，向左右漂浮的细菌射击，将其消灭，同时，也要避免自身被细菌接触到。
Standard radio control servomotors which are used in model airplanes , cars and boats are useful for making arms , legs and other mechanical appendages which move back and forth rather than rotating in circles 标准的无线电控制伺服电动机在航模、车模、船模中使用，可用来制作手臂、腿和其它来回移动而不是转圈的机械附属肢体。
The engineer , who occupied the adjoining room , dropped in to meet the new hand and helped martin rig up an electric bulb , on an extension wire , so that it travelled along a stretched cord from over the table to the bed 住在隔壁房的技师过来跟新手马丁见了面，并帮他安了一盏电灯。安在接出来的电线上，又牵了一根绳，使灯泡可以在桌子和床的上方来回移动。
Thousands of americans and international tourists crowd this famous spot ( at the intersection of broadway and seventh avenue ) and crane their necks to watch for “ happy new year ” to flash across the electronically controlled sign that moves around 成千上万的美国人和国际游客拥挤在这块胜地（百老汇和第七街的交叉处） ，翘首观望来回移动的电子控制牌，上面不时闪现着“新年好”的字幕。
