Which operation should be done when launching an inflatable liferaft by hand?() ["Open the liferaft casing","Turn the valve on the CO2<\/sub> cylinder to start inflation","Make sure the operating cord is secured to the vessel before throwing it over the side","After inflation,detach operating cord from liferaft"]
公司股利分配中最常见、最普通的形式是()。 ["固定股利","财产股利","股票股利","现金股利"]
焦距指从镜头外射进镜头的平行光,会在透镜后面聚成一点叫焦点。从焦点到镜头中心的距离就叫焦距。
构图在拉丁语中有组成、结构的含义,在绘画中指以从构思到造型体现的创作过程。在电影中,它指的是图形构成的方式。
避暑山庄三大景区格局:()(北方)、()(塞外)、湖泊景区(江南)。
三远:高远、()、深远。