国土安全 Homeland ; homeland security ; national security ; and security
国土安全部 Department of Homeland Security ; DHS ; Homeland Security ; Homeland Security Department
安全土地填埋 safe landfill ; secure landfill
全土壤水分应力 total soil moisture stress
国土安全和国民安全 homeland and public security
完全土体 perfect soil
全土栖 troglodytic
国土安全专业 Homeland security ; Homel security
美国国土安全部 DHS ; Homeland Security Department ; United States Department of Homeland Security
国土安全部警报系统 Homeland Security Advisory System
通过室内培养试验研究了玉米秸秆在暗棕壤和水稻土中分解期间全土及不同结合态胡敏酸、富里酸数量的动态变化。
In a laboratory incubation experiment, timing change in amount of humic acid(HA) and fulvic acid(FA) was studied in dark-brown soil and paddy soil during corn stalk decomposition.
土卫一，土星的一颗较小的卫星，却炫耀着全太阳系最大的撞击坑之一的赫歇尔环形山。
Mimas, one of the smaller round moons of Saturn, sports Herschel crater, one of the larger impact craters in the entire Solar System.
采访正在工作的考古场地的记者通常可以指望一次很棒的“挖掘地”游览，一块面目全非的土地，到处是格子标记、工具、和成堆的需要筛选的土。
A journalist visiting a working archaeological site usually can count on a grand tour of the "dig", a tortured plot of ground covered with grid markers, tools and heaps of dirt waiting to be screened.
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