测...深

echo-sounding receiver

回声测深接收机

echo-sounding instrument 回声测深仪 | echo-sounding receiver 回声测深接收机 | echo-sounding 回声探测

combined echo-ranging echo-sounding

回声测距与测深

combined echo ranging echo sounding 组合回声测距与测深 | combined echo-ranging echo-sounding 回声测距与测深 | combined efficiency 总效率

combined echo-ranging echo-sounding

组合回声测距与测深

combined downcast-uptake ventilator 吸排气两用通风机 | combined echo ranging echo sounding 组合回声测距与测深 | combined echo-ranging echo-sounding 回声测距与测深

echo sounder

回声测深仪

水深测量目前多以回声测深仪(echo sounder)为之. 回声测深仪主要构造分两大部分:一为记录器,另一为换能器(transducer,俗称音鼓). 记录器内部装置有发射器与接收器两部分. 发射器接收记录器送出的信号,随即产生一种电能波率,

echo sounder

测深仪

用回音测深仪(Echo Sounder)探测水深,已知音频脉波往返时间为0.1秒,求水深=?用回音测深仪(Echo Sounder)探测水深,已知音频脉波往返时间为0.1秒,求水深=? [/quote]

FEM Sounding

频率域电磁测深

毡状结构 felty texture | 频率域电磁测深 FEM Sounding | 频率域电磁测深系统 FEM system

FEM system

频率域电磁测深系统

频率域电磁测深 FEM Sounding | 频率域电磁测深系统 FEM system | 阴螺纹;雌性的 female

deep-sea lead line

深水测深索

deep-sea going vessel 远洋航行船 | deep-sea lead line 深水测深索 | deep-sea leadline 深水测深绳

deep-sea lead line

深海测深绳

deep sea hard hat 深海安全帽 | deep sea lead line 深海测深绳 | deep sea lead 深海测深锤

leadsman

测深员

leads 两个滑车中间的辘绳部分 | leadsman 测深员 | leadsman 水砣测深手

water lettuce;pistia stratiotes L：大薸(本草纲目)

水叶;水生叶 water leaf;submerged leaf | 大薸(本草纲目) water lettuce;pistia stratiotes L. | 莼菜 water lily;Brasenia schreberi Gmel.

Smoldering Wood：熏烧木材

599. Ice Mice冰老鼠 | 600. Smoldering Wood 熏烧木材 | 608.Flamingo Feathers火烈鸟