foretop是什么意思 foretop在线翻译 foretop什么意思 foretop的意思 foretop的翻译 foretop的解释 foretop的发音 foretop的同义词 foretop的反义词

1. 前桅楼：foretop brace 前中桅横桁转桁索 | foretop 前桅楼 | foreturn 前面绕圈

2. foretop的意思

2. 额发：foretooth 前齿 | foretop 额发 | foretopgallant 在前桅中段以上的

3. 额发/前桅楼：foretold /预言/ | foretop /额发/前桅楼/ | foretopman /前桅哨/

4. 马的额发; 前桅楼 (名)：foretooth 前齿; 门牙 (名) | foretop 马的额发; 前桅楼 (名) | forever 永远; 老是, 不断地 (副)

1. danci.911cha.com

1. According to McGiffin, range was estimated from an observer from the foretop by a simple depression range-finding sight which measures the angle from the horizontal to the waterline of the enemy ship.
    依照麦吉芬所言，当时测量距离的方法是仰赖一名站在全舰最高处的人员进行简单的俯瞰式测量──测量水平线到敌舰水线之间的夹角。

2. Knowing the height of your own mast to the foretop position you can estimate the range to the target by trigonometry using the angle the sight has to be depressed to align with the waterline of the target
    由於桅楼的高度是已知，利用简单的三角测量便能大致估算敌舰的距离。

3. While at Gotenhafen, the two 10.5 meter stereoscopic base rangefinders are installed above the foretop and after command posts.
    当到达哥腾哈芬，在得到命令后两坐10.5米实体测距装置安装在了舰体前端的顶部。

4. Range estimates from the foretop would not have been very useful at that time, especially given the decimated gun crews and difficulties relaying data.
    这种时候桅杆顶的测距作业并不十分管用，尤其是当炮手伤亡惨重以及难以传递更新的射击资料之际（此时桅楼测量员与炮位之间可能得靠旗号沟通）（编者注：因为全舰通话道此时已经被击破失效

1. a lock of a horse's mane that grows forward between the ears

    Synonym: forelock

2. a platform at the head of a foremast