It is a partial differential equation satisfied by the electric field e.

这是一个，由电场e确定的偏微分方程。

youdao

The equations are extra nonlinear differential equations. the dexter function is not continuous in field of real number .

该方程右边的函数在实数域内不连续，是一个高度非线性微分方程组。

youdao

HART field-bus protocol is used in output of system pressure or differential pressure transmitter, digital signals is transmitted with MODBUS via RS485.

系统压力或差压变送器信号输出采用HART现场总线协议，数字信号传输通过RS485进行MODBUS通讯。

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There can be no level playing field between the giant multinational corporations and individual citizens without such differential rights.

WSJ: Ralph Nader and Robert Weissman: The Case Against Corporate Speech