gapped a. 豁裂的, 有缺口的
- This paper gives the necessary and sufficient conditions that determine the continuity on a certainpoint of product of the two functions, one is continuous, and the other one is gapped.
两个函数在连续点处的乘积仍然保持连续是函数连续性的基本性质,但其中一个函数发生间断,情况将会有很大的差异。本文给出了在某一点处一个连续,另一个间断的两个函数乘积连续性判断的充分必要条件及其推论,完整地给出了这类情形的判别准则,并由此简便地处理了一些比较复杂的相关问题。 - Paddle feeder is used in bottom-gapped coalbunker in coal-fired power plant to feed coal onto the belt conveyor in fixed quantity continuously and evenly with the rotation of the paddle and traveling of the machine.
叶轮给煤机用于火力电站缝式煤沟,通过叶轮的旋转和车体的纵向移动,把原煤定量、匀、续地拨到输煤带上。
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