英汉双语例句-生物医药大词典

It is useful to keep a copy of the VLAN configuration as a text file, especially when backups or audits need to be performed.

中文意思：
保持一份VLAN设定的文字档是非常有用的，特别当需要备份或检查的时候。

以下为相关句子列表(点击查看，可以看对应的解释）：

	It is useful for students to know and master the essential rule of movement and promote the learning and training effect when applying the sports biomechanics in college physical education teaching and training.			将运动生物力学应用在高校体育教学和训练中,有利于学生认识和把握动作的本质规律,提高学习和训练效果。
	It is useful for teaching regular expressions and state machines.			它有助于讲授正则表达式和状态机。
	It is useful in polishing for difficult to cut materials such as ceramic, carbide and glass, also ultra-high hardened surface treated surface.			适用于抛光陶瓷、碳化物、玻璃等难于切削的材质，以及经过超高硬度处理的表面。
	It is useful to add the logout page to your bookmarks.			将登出页面添加到你的书签。
	It is useful to have at least 1 or 2 players on your team with a different type of passing to help balance out possession with creating goal chances.			因此球队里面拥有至少1-2名球员和其他的球员的传球方式不同反而对球队整体的运转有好处，反而容易平衡，往往能创造进球良机。
	It is useful to keep a copy of the VLAN configuration as a text file, especially when backups or audits need to be performed.			保持一份VLAN设定的文字档是非常有用的，特别当需要备份或检查的时候。
	It is useless if you could only read and write. You should have a good command of oral English as well.			你光能看，光能写，没用，要与别人交流必须口语得好。
	It is useless telephoning him. He is not willing to come.			给他打电话没用。他不愿意来。
	It is useless to argue with that man.			与那个人争辩是无益的。
	It is useless to flog a dead horse.			鞭打死马，徒劳无益。
	It is useless to muse upon past errors.			念念不忘昔日的过错是没有益处的。