楦底面前段中心线 forepart centerline ; forepart featherline plane
中线面舱壁 central longitudinal bulkhead ; middle-line bulkhead
中线面尾鳍 centerline skeg
中纵线面 central longitudinal plane
中线面线 fore-and-aft cenlerline
浸水部分中线面 central immersed longitudinal plane
小水线面中体三体船 TRISWACH
结构中线面 construction center plane
中线面浸水面积比 lateral area ratio
结果以过ANS点垂直于两侧颧额点连线的直线为面中线，其正中结构指数和侧方结构指数均值较小。
Results The middle line through ANS and perpendicular to zygomaticofrontal line has less mean of middle structure index and side middle structure index.
采用树脂砂砂型、覆膜砂砂芯，上、下两个箱体均采用平做平浇的工艺方案，并选取箱体中线为分型面。
Resin sand mould was adopted with precoated sand core. The upper and bottom half boxes used horizontal pouring design with box middle line as parting face.
线检查包括Cobb角，椎体顶点的旋转角和C7椎体在冠状面从骶正中线的平移。
Radiographic examination included Cobb Angle, rotation Angle of apical vertebrae, and translation of the C7 vertebra from the center sacral line on the coronal plane.
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