z You pick any two components, say the x and the z component, and you take the partial of the x component with respect to z, fz and you must make them equal. And the same with every pair of variables.

选择任意两个分量，假定是x和，你得到fx对z的偏导数，对x的偏导数，the，partial，of，the，z，component，with，respect，to，x,让它们相等，对于任意一对变量做同样的事情。

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Aimed at the difficulty in calculating an electrically large size antenna by using MOM, a far zone approximate method based on MOM (MOM-FZ) was presented for calculating radar antenna pattern.

针对运用矩量法计算电大尺寸天线时遇到的严重困难，提出一种基于矩量法的计算天线远场的远区近似(MOM - FZ)方法。

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The most difficulty in growing FZ-Si crystal lies on the capacity of high frequency generator and technological conditions in growing crystal.

大直径FZ硅单晶的拉制最大困难在于高频加热设备能力和成晶工艺条件。

youdao

Panasonic just revealed the two newest members of its Toughpad family here at CES, the FZ-G1 Windows 8 slate and the 7-inch JT-B1 Android tablet.

ENGADGET: Panasonic FZ-G1 Windows 8 Pro and JT-B1 Android Toughpad tablets hands-on

Looks like Sony's decided to go all the way with Santa Rosa -- not only did it introduce the new FZ today, it's also giving the AR and SZ lines the full Centrino Duo makeover, with Core 2 Duos ranging from 1.80 - 2GHz sitting on that oh-so-popular 800MHz frontside bus and 802.11n networking.

ENGADGET: Sony bumps Vaio SZ and AR notebooks to Santa Rosa

The five megapixel DMC-FZ5 and four megapixel DMC-FZ4 These are the latest additions to their line of prosumer FZ cameras.

ENGADGET: Panasonic's latest digicams: The Lumix DMC-FZ5, DMC-FZ4, DMC-LZ2, DMC-LZ1, and DMC-LS1