我们正在经历现代最严重的一段经济衰退。We are in one of the most severe recessions in modern times.前锋艾伦·史密斯两次严重失误，将球射偏。Striker Alan Smith was guilty of two glaring misses.全国的核武器工厂均受到了有毒废弃物的严重污染。Nuclear weapons plants across the country are ...
氚是最和缓的放射性同位素之一.Tritium is one of the mildest radioactive isotopes.更为活跃的是氢的较重同位素, 氘和氚.More reactive are the heavier isotopes of hydrogen, deuterium and tritium.氚肺扫描可能有助于早期诊断吸入性损伤.Xenon lung scans may be helpful in the ear...
Pain on inspiration is often found in patients with acute cholecystitis.吸气时疼痛是患有急性胆囊炎的人身上常有的现象.Acute cholecystitis must be considered in the differential diagnosis.鉴别诊断也必须考虑急性胆囊炎.Cholelithiasis may be associated with pre...
The average microhardness value from cladding coating transition layer white bright band gradiently distributes.从熔覆区→过渡层→白亮带的平均显微硬度值呈梯度分布.The enamel surface microhardness was measured by a Leitzs microhardness tester.采用维...