electric tablet block system 电气路牌闭塞 ; 电器路牌闭塞行车制度
System tablet block 路牌闭塞式
tablet block system 路牌闭塞式
tablet block telephone 通票阻塞电话机
tablet block instrument 路牌闭塞机
System tablet and ticket block 牌券闭塞式
tablet and ticket block system 牌券闭塞式
tablet block
平板块
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In the defs, I've added a UFO formed from simple SVG arcs and circles, in order to avoid another huge block of path statements from the tablet.
在defs中，我添加了一个从简单的svg弧形和圆构成的u fo，以避免另外一大块来自写字板的path语句。
youdao
The real stumbling block is the way using a tablet device often means reforming the curriculum.
FORBES: Names You Need To Know In 2011: The iPad School
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