Train brake problem solution is the core of braking distance calculations.
列车制动问题解算的核心是制动距离的计算。
The one core of modern distance education is the making of courseware.
现代远程教育工程建设的核心之一是课件的制作。
The core of long - distance vocational education is vocational education.
远程职业教育核心是职业教育。
The core of long - distance vocational education is vocational education.
远程职业教育核心是职业教育。
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