A、an annual
B、a constant
C、a variable
D、an unstable
更多“The variation for most given areas undergoes（）change，the amount of which is also noted on charts.”相关的问题
A、It consumes no excitation power B、It has current transformers C、Components are needed for accurate compounding D、Its excitation system is vulnerable to voltage variations
A、Gray lines on the uppermost inset chart B、Red lines on the main body of the chart C、In parenthesis on the lines of equal magnetic variation D、Annual rate of change is not shown
A、Gray lines on the uppermost inset chart B、Red lines on the main body of the chart C、In parenthesis on the lines of equal magnetic variation D、Annual rate of change is not shown
A、variation B、deviation C、variation and deviation D、a correction for the direction of current set
A、before correcting for any deviation B、after correcting for variation C、after adjusting the fore-and-aft and athwartships permanent magnets D、before the quadrantal correctors are placed on the compass
A、The motion of the apparent sun is along the ecliptic B、Measurement of time is along the celestial equator C、The speed of the Earth's revolution is not constant D、There are variations in the Earth's rotational speed
A、Use IntelliTrace. B、Use data-driven tests. C、Create a single test class. D、Create a test method for each data variation.
A、deviation minus variation B、variation plus compass course C、combined variation and deviation D、difference between true and magnetic heading
A、A.deviation minus variation B、B.variation plus compass course C、C.combined variation and deviation D、D.difference between true and magnetic heading
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