teaching span
教学跨度
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In the brief span from 1980 to 1985, actual teaching loads across the country were reduced from 10.2 hours to 8.4 hours per week, a 17% drop in teaching productivity.
FORBES: Colleges And Universities Should Operate More Like Businesses
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