A ship crane which has been idle for a period of over six months shall be inspected to the same standards as a().
Dring a period of “whiteout”,you should expect which of the following().
在SYD(cost,savage,life,period)函数的参数中,参数period的单位必须与参数life的单位相同。
The cooling water temperature () over a period of 8 hours, and then shut down.
If the engine () for a long period, there will be a danger of frost.
When the wave period and the apparent rolling period are the same().
When a flash-type evaporator is to be secured for an extended period of time, the entire unit should be drained, cleaned, and ().
When a magnetic compass is not in use for a prolonged period of time it should().
The word “critical” in the sentence “This is a critical period as any loss of propulsion, or steering, can lead to collision, grounding, or other damage to the ship” can be best replaced by ().
For a very long period of historical development, mankind could only pass on music through performance and oral instruction. When mankind invented musical scores, music started to break away from the boundaries of being merely a performing art, and develop into a system of “written symbols” that can be recorded and spread. Undoubtedly, however, it was the scientists who should be crowned as the founders of the real revolutionary milestone of human musical communication. Scientists invented marvelous means of music transmission, beginning from the earliest mechanical “record turntable” to today’s many kinds of “electronic media”.