In the pressurized head box control system of paper machine, the characteristic of nonlinear and strong coupling always appears, and makes the system control difficult.

在造纸机的加压网前箱控制系统中，通常会出现强耦合和非线性的特性，给系统控制带来困难。

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Besides, the simulation of electromagnetic pulse coupling with computer box is important for the research of electromagnetic compatibility, interference and defense of computer system.

电磁脉冲对计算机机箱的耦合模拟计算可用于指导计算机系统的电磁兼容、干扰和防护研究。

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Results show that penetrative wire can make HEMP induced current in circuits inside the shielding box increase greatly through coupling with incident field and scattering field of the shielding box.

研究表明，贯通导线通过与入射场及屏蔽机箱的散射场耦合，可使机箱内与贯通导线直接相连或不相连电路上的HEMP耦合电流显著增强。

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Jobs said that Apple is essentially a software company whose hardware is a beautiful box for the product, but that close coupling of hardware and software was generally necessary in consumer electronics.

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