下列哪个不是数据常见的表现形式()。 ["语言文字","声音","计算结果","电脑"]
简述赤皮病的防治方法。
在Word 2003中,关于文本框的说法中正确的是()。 ["可以倾斜","可以嵌入到正文中","可以更改边框颜色","分为水平和垂直两种","可以设置背景"]
PLEASE BE ADVISED THE CAPTIONED VESSEL PROVISIONS SUPPLY HAS BEEN DULY ARRANGED AND SHIP CHANDLER WILL GO ON BOARD YR GOOD SHIP TO ATTEND TO THIS AFTER BERTHING. This telex says that (). ["the provisions have been provided on board","the provisions will be delivered to you","the shipchandler will go on board your vessel for details","the provisions have not yet been arranged"]
The total starting air capacity required for reversible main engines is to be sufficient for at least (). ["six consecutive starts","eight consecutive starts","ten consecutive starts","twelve consecutive start"]
CRH2动车组辅助电源装置的辅助电源箱(APU)和辅助整流器箱(ARf)可以输出哪些电压制式的电源?