航海英語(yǔ)GPS、DF及LC的使用單項(xiàng)選擇題每日一練(2019.01.22)

來(lái)源：考試資料網(wǎng)

1 （）is not a factor which will affect the accuracy of GPS receiver.

2 Before a magnetic compass is adjusted certain correctors must be checked to ensure that they are free of permanent magnetism. These correctors are the（）.

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3 You have calibrated your RDF. When compiling the calibration table，the correction to be applied to any future RDF bearings is listed against the（）.

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4 Assumption shall（）on the basis of scanty information especially scanty radar information.

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5 The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of（）.

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航海英語(yǔ)GPS、DF及LC的使用單項(xiàng)選擇題每日一練(2019.01.22)

航海英語(yǔ)GPS、DF及LC的使用單項(xiàng)選擇題每日一練(2019.01.22)