A.SL>SG
B.SL=SG
C.SL<SG
D.視風(fēng)的順逆而定
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A.40',48'
B.36',48'
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D.40',40'
A.23'
B.25'
C.27'
D.30'
A.27'.0
B.30'.0
C.30'.6
D.31'.0
A.132'.6
B.137'.0
C.141'.3
D.145'.7
A.132'.6
B.137'.0
C.141'.3
D.145'.7
最新試題
某輪船速17kn,航行2h后相對(duì)計(jì)程儀讀數(shù)差為36'.0,計(jì)程儀改正率ΔL=0%,已知該輪實(shí)際航程為34nmile,則該輪航行在()中。
某船順風(fēng)順流航行,船速15kn,流速2kn,2h后相對(duì)計(jì)程儀讀數(shù)差為32'.0,計(jì)程儀改正率ΔL=+5%,則該船實(shí)際航程為()。
某輪頂流航行,船速15kn,流速2kn,2h后相對(duì)計(jì)程儀讀數(shù)差為28'.0,計(jì)程儀改正率+10%,則該輪實(shí)際航程為()。
某輪順風(fēng)頂流航行,船速18kn,流速2kn,風(fēng)對(duì)船舶航速的影響為1kn,計(jì)程儀改正率+8%,0400計(jì)程儀讀數(shù)L1=100'.0,則2h后相對(duì)計(jì)程儀讀數(shù)L2為()。
某輪船速12kn,頂風(fēng)順流航行,流速2kn,風(fēng)使船減速1kn,0600計(jì)程儀讀數(shù)為100'.0,計(jì)程儀改正率ΔL=+10%,則1h后相對(duì)計(jì)程儀讀數(shù)為()。
某輪順流航行,船速15kn,流速2kn,2h后相對(duì)計(jì)程儀讀數(shù)差為28'.0,計(jì)程儀改正率-10%,則該輪對(duì)水航程為()。
某輪頂風(fēng)順流航行,船速18kn,流速2kn,風(fēng)使船減速1kn,計(jì)程儀改正率-8%,0400計(jì)程儀讀數(shù)L1=100'.0,則2h后絕對(duì)計(jì)程儀讀數(shù)L2為()。
某輪順風(fēng)頂流航行,船速18kn,流速2kn,風(fēng)對(duì)船舶航速的影響1kn,計(jì)程儀改正率-8%,0400計(jì)程儀讀數(shù)L1=100'.0,則2h后相對(duì)計(jì)程儀讀數(shù)L2為()。
某輪船速16kn,航行2h后相對(duì)計(jì)程儀讀數(shù)差為30'.0,計(jì)程儀改正率ΔL=0%,已知該輪實(shí)際航程32nmile,則該輪航行在()中。
某輪頂風(fēng)順流航行,船速18kn,流速2kn,風(fēng)使船減速1kn,計(jì)程儀改正率-8%,0400計(jì)程儀讀數(shù)L1=100'.0,則2h后相對(duì)計(jì)程儀讀數(shù)L2為()。