Which statement about the Navigation Rules is TRUE?（）. ["The rules require vessels to comply with Traffic Separation Scheme regulations","The rules use the term safe speed","The Rules permit a stand-on vessel to take action prior to being in extremis","All of the above are correct"]
专业版的移动证书密码输入错误次数是如何规定的？
专业版的移动证书密码是如何构成的？
专业版的文件证书登录密码输入错误次数是如何规定的？
If a seaplane is not used as a means of transpiration on water but is capable of being used so，it shall（）. ["be regarded as a vessel not under command","be regarded as a vessel underway","be regarded as a vessel","be regarded as a sailing vessel"]
8051的（）引脚应至少保持2个机器周期的高电平，才能使8051复位。
