【判断题】WHAT IS YOUR PRESENT COURSE AND SPEED?的中文意思是:你船现在的航向及航速是多少?
【简答题】根据流场中流动参数随时间的改变情况可将流动分为 和 。
【判断题】打印丝安装前应检查玻璃板是否松动,并调整玻璃锁片使玻璃板和铝板周边平齐。
【单选题】A: Yellow River. This is Port Radio. What is your present course and speed? Over.B: Port Radio. This is Yellow River. My present course and speed is 115°, 15 knots. Over.Q: What is the course and s...
【简答题】S1:Vessel Blue Whale.What is your present course and speed? Over.S2:Helicopter,this is Blue Whale.My present course and speed is 190 degrees,16 knots.Over.Q:What does helicopter want to know?A. vessel...