板振动对微穿孔板吸声体的 声学 特性存在一定的影响.The panel resonance always affects the absorption characteristics of microperforated - panel ( MPP ) absorber.试验表明,微穿孔板吸声结构可有效地降低排气噪声.Results show that the acoustic system of micro perforation p...
内陆的平地和山谷中种着茂密的椰子树。The interior flatlands and valleys are thickly planted with coconuts.城市的一整片贫民区被炸为了平地。An entire poor section of town was bombed into oblivion.屋宇起平地，耕野生人烟。Signs of habitation appeared and the fields gave ...
奥斯卡喝了伏特加后醉醺醺地跳起了脱衣舞。Oscar, much the worse for vodka, did a striptease.塔格特思忖着是否再要一杯双份伏特加。Taggart debated whether to have yet another double vodka.他挂账买了两瓶伏特加酒。He bought two bottles of vodka on account....
Methods : Utilize the naprapathy to cure palm joint parenchyma trauma.方法 利用推拿揉捏等方法治疗掌指关节损伤200例.Atkinson has been told rest is the only cure for his ankle injury.阿特金森被告知休息是唯一能治好他脚踝伤的办法。Antibiotics is effective to cure t...