The microsecond unit of time is used in radar applications. The microsecond represents which of the following?().
A、one-millionth part of a second
B、one-thousandth part of a second
C、one-hundredth part of a second
D、one-tenth part of a second
A、one-millionth part of a second
B、one-thousandth part of a second
C、one-hundredth part of a second
D、one-tenth part of a second
A、to make the United States gain time to arm itself B、to actually help the aggressors by making clear that the United States would not intervene C、to get the United States involved in the war D、to prevent the United States form being dragged into the war
A、fill the unit with saltwater B、fill the unit with de-scaling compound C、completely drain the unit D、tightly seal the unit to exclude air
A、The control equipment B、The power unit C、The transmission system D、The follow-up mechanism
A、pull the unit in the same direction that the weather is pushing it B、pull the unit in the opposite direction that the weather is pushing it C、tend to keep the unit on its original location over the well head D、affect the unit's draft and inclination as maximum mooring tensions are reached
A、the estimated cost of damage to the unit B、an evaluation of who was at fault C、the amount of ballast on board D、the name of the owner or agent of the unit
A、the estimated cost of damage to the unit B、an evaluation of who was at fault C、the amount of ballast on board D、the name of the owner or agent of the unit
A、the name of the unit on which it is located B、the date that it was installed on the unit C、the names of the individuals qualified to use it D、an identification number different from other extinguishers on the unit