易于
发表于 2025-3-23 13:45:13
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高贵领导
发表于 2025-3-23 16:35:28
Introduction,ill call production functions “technologies” when the term can be used unambiguously. The technologies encountered here will be of the one output variety most common in the literature. Many will also contain two inputs—presumably capital and labor—as is most common, but we do not want to constrain o
Decibel
发表于 2025-3-23 21:33:18
Lie Group Methods and the Theory of Estimating Total Productivity,such application is to the question of whether or not technical progress may be estimated independently of returns to scale. The main theoretical result is that only in certain cases is technical progress necessarily indistinguishable from a scale effect. In part A of section I we review the develop
遍及
发表于 2025-3-24 02:12:51
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确保
发表于 2025-3-24 03:13:07
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Lignans
发表于 2025-3-24 10:29:40
Neutrality of Inventions and the Structure of Production Functions, Section II, we shall present a general formulation of G-neutrality of technical change for the production function with arbitrary number of factor inputs. In Section III, we determine the group G of neutrality of technical change as an invariance group, i.e., a symmetry group with respect to the we
critic
发表于 2025-3-24 10:47:33
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持续
发表于 2025-3-24 17:12:48
Ryuzo Sato,Takayuki Nônotary techniques variously have been termed ambush or sit-and-wait strategies; more mobile ones have been called cruise searching, widely ranging searching, active foraging or simply foraging. Some species may employ either type, depending on circumstances (Muma 1966; Cloudsley-Thompson 1991). Interm
Verify
发表于 2025-3-24 21:35:59
Ryuzo Sato,Takayuki Nônotary techniques variously have been termed ambush or sit-and-wait strategies; more mobile ones have been called cruise searching, widely ranging searching, active foraging or simply foraging. Some species may employ either type, depending on circumstances (Muma 1966; Cloudsley-Thompson 1991). Interm
人类
发表于 2025-3-25 01:42:11
Ryuzo Sato,Takayuki Nônoresses ranging from 30 to 2500 bars. Strain analysis on the deformed specimens reveals that, in the low stress regime (higher temperatures, lower strain rates), the relative shortening in the ooids is higher than the known shortening strain in the bulk rock, whereas at the higher stresses the ooid s