Trams in London have been supplanted by buses.伦敦的电车已经由公共汽车取代了.The trams carried an average of 279 200 boardings daily in 1997.年内,电车载客量平均每日279200人次.They replaced trams by buses.他们用公共汽车代替了电车.He economized by using trams in...
Myth 12 : I must hae a hysterectomy to treat cervical cancer.误解 12: 我必须采取子宫切除术治疗宫颈癌.abdominal hysterectomy剖腹子宫切除术Twenty - eight Dutch hospitals recruited patients with uterine fibroids and menorrhagia, who were eligible ...
Methods Dip way for mosquito and topicd application for housefly.方法分别用浸渍法和点滴法测定淡色库蚊和家蝇的抗药性.Photoperiod produces little influence on the diapause of housefly larvae.光周期对家蝇幼虫滞育的影响不大.Objective : To study the effect of house...