OWL
发表于 2025-3-25 07:17:46
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比目鱼
发表于 2025-3-25 09:57:07
Galactic B-type Stars,Some recent analyses of the spectra of apparently normal B-type stars are discussed. These include studies of relatively nearby stars, distant stars in the plane of our galaxy and stars at high galactic latitudes.
AGONY
发表于 2025-3-25 13:43:03
Water Waves: Fifth-Order Korteweg-Devries EquationCapillary-gravity waves propagate in a layer of homogeneous fluid with a free surface under the combined influence of gravity and surface tension.
笨拙的你
发表于 2025-3-25 18:13:29
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步履蹒跚
发表于 2025-3-25 23:30:30
Preliminary Cost Analysis,This chapter examines airline cost structures and its changes over time. It provides a preliminary analysis of the effects of network and operating characteristics, and exchange rate fluctuations on airline costs. Thus, it prepares ground for further analysis of airline cost competitiveness.
蚊帐
发表于 2025-3-26 03:52:05
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错
发表于 2025-3-26 04:18:39
The base of the Cambrian in Morocco,The paper summarizes problems of datings of Latest Precambrian to Early Cambrian rocks of Morocco. The known palaeontological data are reviewed briefly. Characteristics and correlatability of the earliest trilobites of Morocco are discussed. Additional remarks concern the appearance of hard part animals at the beginning of the Cambrian.
Incorporate
发表于 2025-3-26 09:51:40
Airline Productivity and Efficiency,This chapter examines airline overall productive efficiency using such methods as Total Factor Productivity (TFP), residual TFP, and Stochastic frontier method. These concepts and methodologies are also described briefly.
2否定
发表于 2025-3-26 12:47:40
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使饥饿
发表于 2025-3-26 18:42:50
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