使无罪 发表于 2025-3-21 18:08:18

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到婚嫁年龄 发表于 2025-3-21 22:20:29

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GEM 发表于 2025-3-22 01:50:43

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Axillary 发表于 2025-3-22 04:36:47

The Magnetic Field,etected by the mechanical force on iron filings, or on another magnet or on a current-carrying conductor. In some cases the magnetic field can be detected by sensing an e.m.f. which is induced in a coil of wire (.). We do not fully understand what a magnetic field is, and so we describe it as ..

含铁 发表于 2025-3-22 11:00:44

Measuring Instruments and Measurements,dicated by means of a pointer. The indication given by a . is in the form of a series of numbers; the smallest change in the indicated quantity corresponds to a change of ± 1 digit in the least significant position of the number.

出血 发表于 2025-3-22 15:19:34

Globalisation and Second Language IdentityAn electrical circuit is an interconnected network of conductors (or resistors) through which a current can flow. A . is a symbolic representation of such a circuit, and shows all the components forming the circuit.

出血 发表于 2025-3-22 20:07:23

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多余 发表于 2025-3-22 22:59:57

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性上瘾 发表于 2025-3-23 05:09:06

Katrin Möltgen-Sicking,Thorben WinterAn alternating quantity is one which periodically alters its polarity or ‘direction’, having positive polarity during one part of its cycle and negative polarity in the remainder.

LAY 发表于 2025-3-23 06:02:36

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查看完整版本: Titlebook: Electrical Principles II; Noel M. Morris Textbook 1977Latest edition Noel M. Morris 1977 battery.bipolar junction transistor.circuit.Coulo