英语词汇“block hour”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

block hour n. Aeronautics a unit of measurement of the time in hours required for an aircraft to begin to move prior to take-off, fly to its destination, and come to a halt following landing; cf. sense 5b, blocktime n. 2.For the origin of this term, see note at blocktime n. 2.

1944 Aeronaut. Engin. Rev. Dec. 32/2 The cruising speed V_cr in m.p.h. is equal to Distance/T_A or Distance/(T_B-T_G), where T_A = air hours, T_B = block hours, and T_G = ground hours.

2003 G. Yu et al. in T. A. Ciriani et al. Operations Res. in Space & Air xxi. 413 Block hours can be estimated based on the average number of block hours each aircraft in an airline's fleet will complete each day.

单词	block hour
释义	> as lemmas block hour block hour n. Aeronautics a unit of measurement of the time in hours required for an aircraft to begin to move prior to take-off, fly to its destination, and come to a halt following landing; cf. sense 5b, blocktime n. 2.For the origin of this term, see note at blocktime n. 2. Π 1944 Aeronaut. Engin. Rev. Dec. 32/2 The cruising speed V_cr in m.p.h. is equal to Distance/T_A or Distance/(T_B-T_G), where T_A = air hours, T_B = block hours, and T_G = ground hours. 2003 G. Yu et al. in T. A. Ciriani et al. Operations Res. in Space & Air xxi. 413 Block hours can be estimated based on the average number of block hours each aircraft in an airline's fleet will complete each day. extracted from blockn.¹ < as lemmas
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