使高兴
发表于 2025-3-23 11:01:24
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泛滥
发表于 2025-3-23 16:04:13
Monochromatising Devices and Filters,ngth used. We shall use wavelength to characterise the light, instead of other quantities such as frequency, wave number or photon energy (App. 1), because it is convenient and in common use among microscopists. If necessary, these quantities can be mutually converted. It follows that the measuremen
Keshan-disease
发表于 2025-3-23 19:27:09
The Photometer System,f the word comprises everything between the microscope and the device that signals or records the light amplitudes in the form of measuring values. We begin with the photometer head, which is a mechanical interface connecting the body tube of the microscope to the photosensor.
巫婆
发表于 2025-3-24 01:14:14
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节省
发表于 2025-3-24 03:31:26
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概观
发表于 2025-3-24 08:59:50
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人类的发源
发表于 2025-3-24 10:49:06
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Grasping
发表于 2025-3-24 17:43:04
Systematic Measuring Errors,ct operation; these faults give rise to a difference between the measuring result and the true value, as theoretically predicted or as determined by means of a better apparatus, properly adjusted and operated. The term ‘accuracy’ is applied in connection with systematic errors, and the smaller these
eustachian-tube
发表于 2025-3-24 21:50:45
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细微差别
发表于 2025-3-25 02:08:24
Horst Pillervations to restore degraded land.Provides case studies of su.This book presents state-of-the-art scientific evidence and technological innovations to restore lands on the Loess Plateau of China, known worldwide for its serious land degradation and desertification problems. Supported by a rapidly dev