1·The solar wind is a high-speed but extremely tenuous stream of electrically charged gases—ionized hydrogen and helium—that flow outward from the sun.
太阳风是一种高速但非常稀薄的从太阳向外流动的带电气体离子氢、氦流。
2·Every cubic kilometre of the ring contains around 20 tiny particles of dust, making it so tenuous, it would be invisible from the inside.
这个光环每立方公里含有约20颗尘埃微粒，结构非常稀薄，站在光环内部都看不见它本身。
3·Molecules in the more tenuous upper atmosphere are preferentially scattering blue light.
大气 中稀薄的分子更多地是散射蓝光。
4·Cassini had passed through a tenuous cloud.
卡西尼号还曾经穿越过稀薄的云层。
1·In this method, the relationship of risk management and the key project measurements is tenuous.
在此方法中，风险管理和关键项目测量的关系是纤细的。
2·Results: Sections are more bright and colourful in comparison with other tissues and tenuous reticular fiber appear clearer.
结果：切片色彩鲜丽，与其它组织对比色强烈，较纤细的网状纤维也能显示清晰。
3·During interphase the chromosomes are too tenuous to be stained.
在间期中，染色体非常纤细，以致不能被。
1·Dugongs are now legally protected throughout their range, but their populations are still in a tenuous state.
儒艮目前在整个范围内受到法律的保护，但其数量仍然处于贫乏的状态中。
2·We should have something in the city that replaces this very tenuous food supply and it should be growing in the city.
人们应该拥有某种东西，它取代可以目前十分贫乏的粮食储备，而且能够在城市里生长。
1·Theoretical analysis and experiments indicate that the micro-robot can swim forward and back off smoothly and rapidly in the tenuous glass pipe full of liquid.
理论研究与实验结果表明，该机器人能以较快速度在平置的充满液体的微细玻璃管道中游动前进和悬浮倒退。
1·He followed the tenuous trail of the rainbow comet, a natural stellar phenomenon said to lead directly to Roon.
他紧跟彩虹彗星的细长尾迹——这种天然的星际现象据说可以引领人们直达鲁恩。