If the local file has not yet been uploaded or is newer than the remote file, print a line indicating that the file is being uploaded.
如果本地文件没有被上载过或者比远程文件要新的话，打印一行文字说明文件将被上载。
2
The intelligent infrared remote is made up of singe clip, infrared receiving, infrared launching, displaying, storing, keys, owe voltage indicating, etc.
学习型万能遥控器由单片机、红外线接收、红外线发射、显示、存储、按键和欠电压指示等部分组成。
3
Continuously indicating and recording gravitometers are sometimes placed upstream with remote indicators located at the switching point.