Adentitious
发表于 2025-3-21 19:33:40
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DOLT
发表于 2025-3-21 23:42:25
the air. The signals are usually transmitted on high frequency carriers. For example, a t- ical voice signal requires only 30 Kilohertz bandwidth. When it is transmitted by a FM radio station, it is often carried by a frequency in the range of tens of megahertz to hundreds of megahertz. Usually a ra
SLAG
发表于 2025-3-22 03:32:41
the air. The signals are usually transmitted on high frequency carriers. For example, a t- ical voice signal requires only 30 Kilohertz bandwidth. When it is transmitted by a FM radio station, it is often carried by a frequency in the range of tens of megahertz to hundreds of megahertz. Usually a ra
单色
发表于 2025-3-22 06:12:37
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ANNUL
发表于 2025-3-22 12:24:56
gases and providing emission estimates at the regional scale. Such estimates constitute an important support to improve bottom-up emission data that each country is required to submit every year in the frame of the most important international global protocols aimed at combatting climate change.
chapel
发表于 2025-3-22 16:49:52
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Goblet-Cells
发表于 2025-3-22 17:50:13
ls through the air. The signals are usually transmitted on high frequency carriers. For example, a t- ical voice signal requires only 30 Kilohertz bandwidth. When it is transmitted by a FM radio station, it is often carried by a frequency in the range of tens of megahertz to hundreds of megahertz. Usually a ra978-1-4419-3663-9978-0-387-23802-9
Confound
发表于 2025-3-23 00:55:52
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Longitude
发表于 2025-3-23 02:27:00
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BIDE
发表于 2025-3-23 09:00:48
ls through the air. The signals are usually transmitted on high frequency carriers. For example, a t- ical voice signal requires only 30 Kilohertz bandwidth. When it is transmitted by a FM radio station, it is often carried by a frequency in the range of tens of megahertz to hundreds of megahertz. Usually a ra978-1-4419-3663-9978-0-387-23802-9