总之，易货贸易是一种效率很低的交易形式。Overall, barter is a very inefficient means of organizing transactions.非国有企业逐渐挤掉了效率低下的国有企业。Non-state firms gradually elbow aside the inefficient state-owned ones.能源价格一直维持低水平，所以能源利用效率很低。Energy prices h...
Commercial cellulase, hemicellulase and pectinase were applied to hydrolyze sugar cane bagasse.应用纤维素酶 、 半纤维素酶和果胶酶水解蔗渣.Reactions with various enzymes showed hemicellulase and pectinase had synergistic effect on improving ...
But how gat such a guest into my hall? "可这样一位客人怎么会跑到我的大厅里来了? ”I sent Gat to hold seminars with the dealers and remind them of a few fundamentals.我就叫加尔去召集承销商来开几次座谈会,提醒他们记住一些基本的要求.Intraocular pressure was measured in each ...
The allies say they will treat their prisoners decently.同盟国称他们将善待战俘。And can't you dress more decently—people will think you're a tramp.你就不能穿得更体面一些吗——别人还以为你是个流浪汉呢。The children do not know how to behave themselve...