Pierce
发表于 2025-3-21 17:50:44
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运动吧
发表于 2025-3-21 22:14:07
https://doi.org/10.1007/978-3-8349-3900-5 the output of pleasure is substantial but clearly it need not be so. In such cases, of course, the purchase of the land was not part of an agricultural operation at all and it is necessary to distinguish between land ownership and agriculture: they interact but they are clearly not the same.
烦忧
发表于 2025-3-22 03:36:27
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大都市
发表于 2025-3-22 07:17:51
A Systems Approach to Agriculture,nal units in general. However, there is much more to the deliberate use of the word ‘systems’ in this context, because the ‘systems approach’ is now recognised as a distinctive way of looking at things. This is based firmly on the concept of a system and it is important to be clear about its meaning.
我不死扛
发表于 2025-3-22 12:44:23
Economic Efficiency in Agriculture, the output of pleasure is substantial but clearly it need not be so. In such cases, of course, the purchase of the land was not part of an agricultural operation at all and it is necessary to distinguish between land ownership and agriculture: they interact but they are clearly not the same.
侵害
发表于 2025-3-22 14:32:28
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Glucose
发表于 2025-3-22 18:08:24
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过去分词
发表于 2025-3-22 22:17:14
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nerve-sparing
发表于 2025-3-23 02:49:09
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MIRE
发表于 2025-3-23 05:57:36
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