施加
发表于 2025-3-23 12:35:20
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亲属
发表于 2025-3-23 17:00:21
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生意行为
发表于 2025-3-23 20:17:18
Marcello Benedini,George Tsakirisird gerade diese auf den ersten Blick leicht zu beantwortende Frage gleich mehrfach zu stellen sein — immer wieder begleitet vom Wechsel der Blickrichtung. Und nur wer es versteht, Marketing-Konzeptionen ständig und immer wieder neu in Frage zu stellen, wird auch langfristig erfolgreich am Markt sei
大笑
发表于 2025-3-24 00:42:59
Dispersion in Rivers and Streams,lays an important role and cannot be neglected. In the mathematical models, the effect of dispersion is accounted by means of the dispersion coefficient, for the evaluation of which several procedures are proposed, supported by experimental studies.
难管
发表于 2025-3-24 03:27:11
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讥讽
发表于 2025-3-24 10:10:18
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cringe
发表于 2025-3-24 13:58:16
The Steady-State Case,urther simplification is the case of nondispersive flow, which, applied to the BOD and DO interaction, results in the well-known Streeter and Phelps model, currently used for a first-glance evaluation of a river contamination caused by urban wastewater discharge.
reserve
发表于 2025-3-24 16:06:35
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antipsychotic
发表于 2025-3-24 20:14:05
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使苦恼
发表于 2025-3-25 00:23:53
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