第三基底层有用以与第一和第二多个阵列元件交换一个或多个射频(RF)信号的集成电路。
The third substrate layer has an integrated circuit to exchange one or more radio frequency (RF) signals with the first and second pluralities of array elements.
滤波器的元件值不是用一般的综合方法，即从输入阻抗中逐个移去全极点或部分极点，而是用极点交换法求得。
The element values of filters can be calculated by permutation method instead of the usual synthesis, i. e. successive complete and partial pole removals from the input impedances.
不锈钢换热管是换热管是换热器的元件之一，置于筒体之内，用于两介质之间热量的交换。
Thee heat exchange tube of the stainless steel is one of the elements of the heat exchanger, which is arranged inside the cylinder and is used for the heat exchange between the two medium.
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