Q I'm getting a Grub 1.5 Error 21 after installing Ubuntu on an external hard drive.
我在一台外接硬盘上安装了Ubuntu之后发生了Grub 1.5的21号错误。
Q: it's understood that a Chinese ship was attacked by pirates at the Aden Gulf yesterday, but managed to come out safe with external assistance. Please confirm and tell us more about it.
问：据悉，一艘中国船只昨天在亚丁湾遭到海盗袭击，在有关方面帮助下成功脱险，请证实并介绍有关情况。
Q factor of an open resonator is determined by the diffraction loss, reflection loss and external loss introduced by coupling as a whole.
开式谐振腔的Q值由衍射损耗，反射损耗，耦合引入的外部损耗共同决定。
Conclusion: To treat pigment skin diseases of external causes with tunable Q - switched laser has the peculiarity of safety, less wound, good effects, besides operating easily.
结论：Q开关激光治疗外源色素性皮肤疾病具有操作简单，安全可靠，微创，特效等优点。
Conclusion: To treat pigment skin diseases of external causes with tunable Q - switched laser has the peculiarity of safety, less wound, good effects, besides operating easily.
结论：Q开关激光治疗外源色素性皮肤疾病具有操作简单，安全可靠，微创，特效等优点。
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