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Man's effect on the sulfur cycle has been considerable. 人类对硫循环的影响一直是很可观的。
The well-understood natural sulfur cycle in relation to oceanic environment, the well-known natural reservoir, is described in section 1. 第1部分阐述了已熟知的自然硫源?海洋硫循环的了解。
Sulfate-reducing bacteria (SRB) and sulfur-oxidizing bacteria (SOB) play important roles in the sulfur cycle of coastal salt marsh sediments. 摘要硫及硫化合物的动态循环是海岸盐沼湿地的重要组成部分，硫酸盐还原菌(SRB)和硫氧化菌(SOB)是推动硫循环的重要微生物。
Section 2 gives a fundamental picture of the terrestrial sulfur cycle with respect to the relative importance of its individual chemical components and of its source. 第2部分给出了陆地硫循环的基本情况及各化学组分和源的相对重要性。
Research on Natural Emission into the Atmospheric Sulfur Cycle 大气硫循环中的自然硫释放研究
Biological Sulfur Cycle and New Development in Desulfurization Technology 生物硫循环及脱硫技术的新进展
Microbes and their functions in sulfur cycle of coastal salt marsh sediments 海岸盐沼湿地土壤硫循环中的微生物及其作用
The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
Sulfur can be used to make gunpowder. 硫磺可以用来制造火药。
It's easier to cycle with the wind behind you. 顺风骑车省力。
A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
The seasons of the year make a cycle. 一年四季构成一个循环。
The business cycle experienced a sudden down. 商业周期经历了突然的萧条。
This is the cycle of economic booms and slumps. 这是经济繁荣和经济萧条的周期变化。
Cycle across America? Sounds a bit dodgy to me. 骑自行车横越美国? 听起来有些冒险。
The pedals of a cycle are attached to a crank. 自行车的踏板与曲柄相连。
The pedals of a cycle are attached to the crank. 自行车的踏板与曲柄相连。
Her latest stunt is riding a motor cycle through a ring of flames. 她的最新特技表演是骑摩托车钻火圈。
The engine cycle during which this process occurs. 压缩周期上述机器压缩过程的周期
Keywords Sediments;Sulfur cycle;Sulfate-reducing bacteria;Sulfate-oxidating bacteria; 关键词沉积物;硫循环;硫酸盐还原菌;硫氧化细菌;