一美元
发表于 2025-3-23 13:09:39
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巨大没有
发表于 2025-3-23 15:35:51
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prosthesis
发表于 2025-3-23 20:15:18
Mercury in Black-Waters of the AmazonThere are many ways to measure distances by electronic means. Four basic principles will be presented although only one will be discussed in greater depth.
Arroyo
发表于 2025-3-24 00:50:55
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愤愤不平
发表于 2025-3-24 03:11:34
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Licentious
发表于 2025-3-24 09:06:34
,Psychische Störungen: Zahlen und Fakten,Distance meters featuring visible light or near infrared (NIR) radiation as carrier waves are called electro-optical EDM instruments. These carrier waves follow the laws of geometrical optics; normal telescopes are used for transmitting and receiving the signals.
手工艺品
发表于 2025-3-24 12:43:34
https://doi.org/10.1007/978-3-031-37420-3Apart from military laser rangers, electro-optical EDM instruments need a device at the target station which reflects the light (or infrared) beam back to the instrument. Reflecting devices should have the following properties:
Allodynia
发表于 2025-3-24 16:01:37
https://doi.org/10.1007/978-94-010-9388-0Power sources are very important in electronic distance measurement as no power means no distance measurements. The most common types of power sources are:
triptans
发表于 2025-3-24 20:30:11
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Duodenitis
发表于 2025-3-25 02:41:21
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