Software Seakeeper is based on the modified strip theory.
基于修正的切片理论的Seakeeper软件可以用来在方案设计阶段对穿浪双体船进行耐波性的理论预报,平均阻力增量除了在Fr>0。
positive film stock
生正片(未曝光的胶片)
negative-positive procedure
负片-正片反转晒印法
Black-and-white dupe positive film
黑白翻正片(摄影)
Positive-working plates: Offset-litho plates which are exposed using positive.
阳片版:用正片（阳片）晒印的柯式印版。
Device for viewing photographic transparencies
幻灯式摄影正片观看器
short film,esp one shown before the main film at a cinema
短片（尤指正片之前放映的）.
Inter-positive: Photographic positive which will be subject to further camera work to obtain the finished result.
中间正片:要用它再作照相工序，然后获得完成效果的照相片正片。
Autopositive: A class of photographic materials that will yield a positive image from a positive original without an intermediate negative stage.
直接正片:一种照相材料，可以无须经中间负片的步骤而把正片原稿复制为正片。
The house was all dark to the front.
房子的正面一片漆黑。
While Joe was slicing bacon for breakfast,
乔正在切咸肉片做早餐，
nontilting-negative-plane rectifier
底片平面无倾斜纠正仪
Yes, he's taking a photograph.
是的，他正在拍相片。
tical orthophoto printer
光学正射相片晒印机
and I'm writing this postcard.
正在写这个明信片。
A Man for All Seasons
公正的人(英国影片)
Forrest Gump(1994)
阿甘正传(美国影片)
Listen and tick the correct pictures.
听一听，选择正确的图片
That continents are drifting.
那片大陆正在发生漂移。