A new generation of gas-permeable lens, they allow oxygen into your eyes during wear, preventing your eyes from becoming dry and sore.
新一代的透气型隐形眼镜在佩戴时有很好的透氧性，可避免眼睛干燥和疼痛。
2
Hydrogen ion lens are loaded and neutral hydric gas is filled in simulation in order to observe the interactional behavior of electrons and ions.
模拟通过加载氢离子圆盘和充入中性氢气，观察了引入离子后电子束和离子的行为。
3
The fluorine mixed gas prepared by this device, which may prolong the working hours of excimer-laser 2 to 3 times and prolong the average useful time of lens of laser 3 to 5 times.