象形文字 发表于 2025-3-25 05:14:53
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ature is the reachability problem for positive discrete-time switching systems . In particular, in , systems whose state variables remain nonnegative independently of the control and the external events are studied; then, control strategies are studied to maintain the nonnegative state evol红肿 发表于 2025-3-25 16:35:15
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horror specialist John Carpenter and its tone wavered between the glib humor of Chase’s early hits and the darker, dramatic emphasis that had interested the star. The film failed to find a substantial audience, taking $14.4 million, the seventy-ninth highest grossing film of the year.Infirm 发表于 2025-3-26 16:23:13
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in the ethanol extract rather than the acetone extract. Furthermore, the content of rosmarinic acid was determined in some Iranian species including ., ., ., ., ., and . using HPLC method, and the amount of the compound in the above mentioned plants were reported 2.8, 5.7, 16.3, 1.2, 4.2, and 19 mg/