When a pure line variety is grown at close spacing there is a competition effect. 當一個純系品種在密的植距下生長時有一種競爭效應。
The elimination of head-to-head competition between two leading firms may result in unilateral anticompetitive effects. 消除兩家處於市場中領導地位的公司間勢均力敵的競爭可能導致單方面的反競爭效應。
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