Warning: file_put_contents(): Only 0 of 8647 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu.com/index.php on line 58 testcross是什么意思，testcross的翻译，testcross音标、读音、用法和例句_英語字典
From the testcross performance data, selections, based on an index, were made for intermating of each of the four groups. 根據測交種數據，利用指數方法進行選擇，方法是對每個襍種優勢群進行相互交配。