其仙是一味药,它的主要成分为乳糖酸阿奇霉素,其化学名为(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-(2,6-二脱氧-3-C-甲基-3-O-甲基-(-L-核-已吡喃糖基)氧)-2-乙基-3,4,10-三羟基-3,5,6,8,10,12,14-七甲基-11-3,4,6-三脱氧-3-(二甲氨基)-β-D-木-已吡喃糖基氧-1-氧杂-6-氮杂环十五烷-15酮乳糖酸盐。
心与灵星云离地球有大约6千光年的距离,形成一个其大无比的星辰制造场,构成了我们银河系英仙座螺旋星云的部分螺旋腕。
Located about 6, 000 light-years from Earth, the Heart and Soul nebulae form a vast star-forming complex that makes up part of the Perseus spiral arm of our Milky Way galaxy.
曼都仙诺县议员凯莉.布朗认为,诸如无量光太阳能电场这样的项目,改变并改善了整个美国的能源基础建设,所有地球居民均蒙其利。
Supervisor Carre Brown pointed out that projects such as this are changing and improving our Country's energy infrastructure for the good of all who live on this earth.
将镜头对焦至无限远,对准英仙座或其邻近星座,把光圈调至最大,曝光5分钟,应有收获。
Camera lens should be set to infinity with maximum aperture. then point the camera to perseus or neighbour constellations for a5-minute exposure time and try your luck.
应用推荐