1·The Spot: "Backwash Wave" on Skilly Beach, Penzance, England.
拍摄现场：英国彭赞斯skilly海滩的反拨波。
2·Oral test is the most typical subjective language test, which can directly reflect the basic language proficiency of a candidate and which has a strong backwash effect for language teaching.
口语测试是主观性语言测试最为典型的代表，它能最为直接地反映一个人外语基本水平的高低，也对教学有很强的反拨作用。
3·Obviously the communicative test has positive backwash on English teaching, and so does the communicative listening test.
很明显，这样的交际法测试对我们的英语教学是有积极的反拨作用的。
4·"Backwash effect" usually refers to the effect of tests on language teaching and learning.
“反拨作用”通常指语言测试对语言教学和学习产生的影响。
5·An effective way to make the backwash effect of the test positive is to improve its validity.
提高测试效度是使测试反拨作用趋于积极的有效手段。
1·In almost every case, the flooding is along rivers, overflowing rivers or a backwash from a river.
几乎所有事件中，洪水都是靠近河流，泛滥河流或是河水的回流的。
2·Cross section drawings of Media Circulating Pump (P-02603) and Backwash Pump (P-02604) shall be provided.
应该提供传动装置循环泵(p—02603)和回流泵(动力- 02604)剖面图纸。