total differential equation : 全微分方程 exact differential equation : 恰当微分方程 LDE (linear differential equation) : 线性微分方程 ..
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...；恰当微分方程；一阶微分； [gap=1068]Keywords: Differential equation; integral factor; appropriate differential equation; first-order differential...
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total differential equation 全微分方程 ; 全微分方程 ; 恰当微分方程 ; 全微分方法 total differential spectrophotometric method 全差示光度法 ; 全差示分光光度法 .
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本文就恰当微分方程的积分因子问题进行推广，得出两个定理。
This article makes an extension on the problem of integral factor in the total differential equation and has drawn two theorems.
在一般微分方程讲义中，只简单介绍恰当方程的基本解法。
Exact equation which is also called complete differential equation. The general books on differential equations only simply introduce basic solution.
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