| 单词 | ils |
| 释义 | > as lemmasI.L.S. I.L.S. n. Instrument Landing System. Π 1947 Shell Aviation News No. 108. 3/1 I.L.S. (Instrument Landing System), G.C.A. (Ground Control Approach), ground radar and flight radar are all proven, available, and should be installed. 1966 New Scientist 13 Jan. 65/1 The special Trident has been trying the ILS of other airports,..and has actually made ‘hands-off’ landings at them. < as lemmas |
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