positive cam[机] 确动凸轮
positiveadj.积极的;肯定的;明确的;正面的;正数的;阳性的n.正面;正数;正片;[语]原级
positive temperature coefficient characteristic正温度系数特性
positive and contradictory bread-first search正逆广度优先
Positive Feedback Closed-Loop Management System正反馈闭环管理系统
positive definite symmetrizable unitary factorization正定可对称化酉分解
positive acknowledgement protocol with retransmission肯定应答重传协议
positive temperature efficiency ther-mo-resistance PTC正温度系数热敏电阻PTC