differential sign
英 [ˌdɪfəˈrenʃl saɪn]
美 [ˌdɪfəˈrenʃl saɪn]
网络 微分符号
双语例句
- HD of bone should be included in the differential diagnosis consideration with "soap bubble" sign.
HD应列入皂泡状骨病变的鉴别诊断。 - To study a class of boundary value problems of parabolic differential equations with deviating arguments, averaging technique, Green's formula and symbol function sign(·) are used.
研究具有偏差变元的抛物型方程组的一类边值问题。 - These formulas contain the efficiency calculation for various mesh form of the 2K-H type differential and planetary transmissions including both of the positive and negative sign mechanisms.
这十个公式，概括了2K&H型的正号机构和负号机构各种啮合形式的差动传动和行星传动的效率计算； - The time-domain differential signal detection technique is implemented by comparing the amplitude and the phase of the current OFDM sign subcarrier and the previous one.
时域差分检测通过比较当前OFDM符号子载波与前一个符号对应子载波的幅度和相位来实现。 - In case of consistent continuous functions, integral sign and limit sign are interchangeable, so are differential sign and limit sign.
在一致连续的条件下，积分号和极限号、微分号和极限号可交换。 - In the stability theory of ordinary differential equations, the V-function of Liapunov fundamental theorem of stability is a fixed sign and its total derivative is contrary sign to V-fuction.
在常微分方程稳定性理论中，Liapunov稳定性基本定理中的V函数是一个定号函数，且它关于时间t的全导数dV/dt的正负号要求与V相反。 - This paper used the discretization method and thoroughly analyzed the inner torque and power-flow of two kinds of 2K-H planetary gear train. We find that 2K-H planetary gear train belongs to the planetary differential gear train, and the positive sign mechanism has circulating power load.
应用离散方法，深入分析了两种2KH型行星轮系的内力矩和功率流，发现2KH型行星轮系属于封闭差动轮系；其中，正号机构存在循环功率流。