Virgin Galactic's WhiteKnightTwo/SpaceShipTwo launch system is still in testing and she says it is up to them when they decide it is safe to fly tourists to the edge of space.
维京银河系的发射系统目前仍在检测,她说直到他们觉得安全了才会载着游客在太空中翱翔。
One of its more glamorous uses as an embedded operating system is to power the in-flight entertainment systems on some Virgin and Qantas long-haul jets.
更妙的是,它还被用于维京航空和澳洲航空长途航班的空中娱乐系统。
In addition, the stratum where underground mining exits virgin stress, which affects the stability of mining system directly and greatly during mining.
再加上地下采矿所在的地层存在着原始的地应力,对采矿过程系统的稳定性有着直接的和巨大的影响。
"Perhaps we can consider these viruses, at least for some of us, as part of our 'normal' immune system," says Virgin.
“也许我们可以认为这些病毒是我们“正常”免疫系统的一部分,至少有些人是这样的,”Virgin说。
Virgin and his team were curious about the effect of latent herpesvirus infection on the function of the immune system.
Virgin和他的小组对潜伏的疱疹病毒感染对免疫系统的功能的影响很好奇。
Although the experiments of using the credit system in these schools are enthusiastically carried out, explorations and researches on it are still a virgin ground in the academic world.
这些学校学分制实验如火如荼地展开时,学界对普通高中实行学分制的探讨和研究近乎空白。
It occurs much less in the area which the weather is cool, irrigation system is available, and the field is a virgin soil for planting tomatoes.
气候较冷凉、灌溉条件便利、从未种植过番茄、亩保苗数合理的地区丛生株发生率较低。
It occurs much less in the area which the weather is cool, irrigation system is available, and the field is a virgin soil for planting tomatoes.
气候较冷凉、灌溉条件便利、从未种植过番茄、亩保苗数合理的地区丛生株发生率较低。
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