这一组中包括黄酮类化合物, 二苯甲酮 、 一些香豆素 、 木质素 、 缩合单宁和芪.The group includes flavonoids, benzophenones, some coumarins, lignans, condensed tannins, and stilbenes.木质素是次生壁成份的特征.Lignin is a characteristic component of secondary walls.橡木酒桶神...
If you wish to go away for the weekend, our office will be delighted to make hotel reservations...如果您想外出度周末,我们办事处将很乐意为您预订旅馆。They are the cornerstones of computations of the airlines'massive reservations system.他们是航空...
本片情节从冰原时期结束时描述起.The plot of this movie begins when the Ice Age ends.今年四月,请您一路滑进戏院,好好欣赏《冰原历险记2》.Slide into a theater to watch Ice Age 2: The Meltdown this April.三年半后, 《冰原历险记2》准备横扫戏院.Three and a half years later, Ice Age 2...
一些气球飞行家曾提到在舰上使用系留气球的问题.Some balloonists talked of using captive ', ballons from ships.为研究系留气球稳定性,建立了系留气球的三维非线性动力学模型.To stability analysis of tethered balloon, a three dimensional nonlinear mathematical model tethere...