皮皮学，免费搜题
登录
搜题
【多选题】
电泳漆装是利用夕I-力H电场使悬浮于电泳液中的颜料和树脂微粒定向迁移并沉积于电极之一的工件表面的涂装方法，其主要特点有（ ）。A.
采用水溶性涂料，节省有机溶剂，安全卫生
B.
涂装效率高，涂料损失小，生产效率高
C.
涂膜厚度不均，附着力差，不适用于复杂形状工件
D.
设备复杂，投资费用高，耗电量大
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】From the text, we learn that Vinton Cerf is
A.
seeking answers to questions about the Internet web.
B.
working on interplanetary Internet with collaboration of NASA.
C.
trying to commercialize the interplanetary Internet
D.
exploring the possibility of establishing Internet network on Mars.
【简答题】阅读理解。 Vint Cerf, who helped to build the Internet while working as a researcher in America, said that television was approaching its 'iPod moment' In the same way that people now download their favour...
【简答题】Text 3Vinton Cerf, known as the father of the Internet, said on Wednesday that the Web was outgrowing the planet Earth and the time had come to take the information superhighway to outer space. “The I...
【多选题】下面关于图表趋势预测法趋势线的说法正确的是( )。
A.
· A 、选择合适的趋势线类型是提升趋势线的拟合程度、提高预测分析准确性的关键。
B.
· B 、指数趋势线适用于增长或降低的速度持续增加，且增加幅度越来越大的数据集合。
C.
· C 、选择趋势线时要结合趋势线的R平方值来判断趋势线的拟合程度，R平方值越接近1，拟合程度越高。
D.
· D 、多项式的阶数可由数据波动的次数或曲线中拐点(峰和谷)的个数确定。二阶多项式趋势线通常仅有两个峰或谷
【简答题】According to Vint Cerf, television would soon approach its' iPod moment' when viewers could download their ______.
【单选题】Vinton Cerf, known as the father of the Internet, said on Wednesday that the Web was outgrowing the planet Earth and the time had come to take the information superhighway to outer space. 'The Interne...
A.
send real-time science data.
B.
communicate with astronauts.
C.
lay foundation for future technological advances.
D.
commercialize it
相关题目：