...ing; content validity; backwash effects. [gap=448]关键词】大学英语四、六级考试;写作测试;写作教学;内容效度;后效作用。 ...
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...区域间的不平衡,导致增长区域和滞后区域之间发生空间相互作用,由此产生两种相反的效应:(1)“回流效应”(backwash effects)(或极化效应),表现为各生产要素从不发达区域向发达区域流动,使区域经济差异不断扩大;(2)“扩散效应”(spread effects),...
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高等院校英语测试中存在的问题反思,大学英语教学|留学生论文网,英语论文网 Key words: foreign language testing; teaching; backwash effects [gap=161]关键词:外语测试;教学;反拨作用
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the backwash effects 回拨作用
Suggestions on Spoken English Teaching from Backwash Effects of Spoken English Testing;
反拨作用是指测试对教学的影响。
The effects of direct filter backwash water recovery on the flocculation, sedimentation and filtration processes are studied.
作者系统地分析了直接回收滤池反冲洗水对絮凝、沉淀和过滤工艺的影响;
This utility model has the advantage of achieving the dual effects of excision and backwash on one sewage pump, thereby widening sphere of application of the sewage pump.
本实用新型的优点是能在一台污水泵上实现切割和反冲洗的双重功效,提高污水泵的适用范围。
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