泵的抽气速率与气体的性质有关.Lashing velocity of pump is concerned with nature of air.现在已经采用了低温吸附技术和吸气离子泵的近代电子抽气设备.Recent electronic means of pumping using low temperature sorption techniques and getter - ion pumps have been introduce...
Aberrant larvae may lodge in the liver, producing granulomatous lesions and hepatomegaly.蛔蚴可误入肝门, 引起肉芽肿性损害及肝肿大.Terminal can have hepatomegaly, icteric, bloated, ascites.晚期可有肝肿大 、 黄疸 、 浮肿 、 腹水.A hyperactive deep tendon re...
The marae - the meeting house and the land around it - is the focus of Maori community life.马拉埃 -- 聚会大厅及其周围土地 -- 是毛利人村社生活的中心.Suddenly all of the bizarre and seemingly isolated examples took on a meaningful focus.突然之间，所有那...
Nerve cells have limited ability to regenerate if destroyed.如果受到损伤，神经细胞再造的能力有限。They decided a housing co-operative was the way to regenerate Ormiston Crescent.他们最终决定通过住房合作社来重建奥米斯顿月牙街。Newts can regenerate their limbs.蝾螈的肢...
Many of the local dignitaries attended the funeral.许多本地的达官贵人都参加了葬礼.The mayor welcomed the visiting dignitaries at the airport.市长在机场欢迎了来访的要人.FOREIGN dignitaries in black limos are a common sight in Washington, DC.国外政要的豪华轿...