1) sonar bulb
声纳球首
2) bow array
球鼻首声纳基阵
3) bow array sonar
首声纳
4) bow dome
船首声纳导流罩
5) bulbous bow
球首
1.
timization of geometric factors for molded lines of container ship bulbous bow;
集装箱船球首型线几何要素优化探讨
2.
Adding bulbous bow!to the voluminous ships can lower resistance effectively.
选取给定主船体的主尺度和球鼻首特征一系列参数,自动生成一系列球首型线。
3.
The wave resistance of single hull ships with or without bulbous bows was calculated with the improved Noblesse s slender ship theory in conjunction with the technique of elementary-wave-steepness restriction theory.
采用Noblesse新细长船理论,同时引入基元波波陡限制的兴波理论方法,对无球首和有球首的单体船,进行了兴波阻力数值计算。
6) acoustic head wave
声波首波
1.
To understand the propagation mechanism of the acoustic head wave and its accompanying electromagnetic field during logging in a porous formation, we studied the displacement characteristics of the wave.
声波测井时孔隙地层中的声波首波平行于井轴沿井壁传播 ,它既有轴向位移分量 ,又有垂直于井壁的位移分量 。
补充资料:贯首
【贯首】
(职位)一贯籍之上首也。因而僧谓一山之长。山之座主,寺之长吏等作贯主者非。孔安国孝经序曰:“贯首弟子,颜回、闵子骞、冉伯牛、仲弓。”后汉书(边让传)曰:“若以年齿为嫌,则颜回不得贯德行之首。”
(职位)一贯籍之上首也。因而僧谓一山之长。山之座主,寺之长吏等作贯主者非。孔安国孝经序曰:“贯首弟子,颜回、闵子骞、冉伯牛、仲弓。”后汉书(边让传)曰:“若以年齿为嫌,则颜回不得贯德行之首。”
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条