Determination of se , mn , co in urine and serum of blackfoot disease .
乌脚病患尿液及血清中硒、锰、钴之分析。
I co ider it worthwhile trying to summarize our experience in learning english .
我认为总结一下学习英语的经验是值得一试的。
Sany heavy co ltd , geely automobile holdings ltd and byd co ltd all told reuters they had employed japanese engineers to boost their technological know-how .
Her decision will affect cbs corp 's cbs television distribution arm , which syndicates the show , and walt disney co 's abc-owned and operated tv stations that broadcast the show .