基本解释無選擇標記同根派生 marker-free相关词英汉例句A new strategy that offers a approach for the elimination of those disadvantages caused by the selectable marker gene is developed.爲了消除這些弊耑，一種全新的發展策略即獲取無選擇標記的轉基因植物應運而生。marker-free更多例句