Free arrangement is a very important kind of hyperplane arrangement.自由构形是超平面构形中一类重要的构形.The invention of hyperplane kinescopes is another technical innovation.超平显像管的发明是又一次技术革新.Then the method to construct the optimal sepa...
Local conditions, especially the presence or absence of oxygen, affect Biodegradability.地方的情况(特别是有氧或无氧)影响着生物降解.Starch has abundant resources , low price and natural biodegradability.淀粉产量丰富, 价格低廉,具有天然的生物降解性.Biodegradabili...
我知道这是他拉拢我,好让我俯首贴耳地为他效劳.I knew he was trying to wheedle me into being at his beck and call.横眉冷对千夫指, 俯首甘为孺子牛.Fierce - browed , I coolly defy a thousand pointing fingers ; headbowed , like a willing ox I serve the children....