How to raise our agriculture products' competition in international market is a focal point theoretical circle.
我国农产品在国际市场如何提高竞争力是理论界所关心的焦点。
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The results indicate that flat-top beam shaping and single-circle beam shaping at the focal plane can all be realized by using three-zone annular phase pupil filters.
The substituting country's system derived out fuzzily and directly legislating because of "anti-dumping agreement" has been the focal point that the theory circle has criticized all the time.