Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/77b1e5d451ad5c3301812e4fada0bac9.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 diagnosis of early gestation例句_diagnosis of early gestation英汉例句_diagnosis of early gestation双解例句_果味酸柯林斯词典
Therefore, the sound of fetal blood flow can be regarded as the main basis for pregnancy diagnosis at the early stage of gestation in dairy cows. 因此，乳牛的早期懷孕診斷可用宮血音作爲判定懷孕的主要依據。