In water jump-ski competitions at home or abroad, results are mostly determined by means of the calculatingboard.
在滑水跳跃滑竞赛中，目前国内外通用成绩绘算板计算运动员的跳跃成绩。
2
The physical model of cantilever board in bench blasting is firstly presented and based on the hypothesis, a formula for calculating the charge weight in the MS delay bench blasting is also derived.
首先提出台阶岩体爆破的悬臂薄板物理模型，并在此基础上建立了台阶多排微差爆破的炸药量计算公式。
3
This article introduces the requirements of aligning to the installation of gear case and construction process, calculating for sheets of epoxy resin chock for gear case on board.