The correct statement of the marginal effect degression law should be " gradually declining law of marginal effect " .

边际效用递减规律的准确表述应为“边际效用趋减规律”。

The results show that the differences of farmland resources quality in different agricultural regions are distinct . There was a degression of farmland resources quality from south to north and an increase from east to west .

结果表明：各农业区农用地资源质量结构差异和区域分异明显，表现出由南向北、由东向西两个方向上的递变规律。

The major cause of the dislocation in managerial thought is the managerial efficiency of our country 's many enterprises is lower , and the competitive force of adapting to markets is in degression currently .

摘要管理思想错位是目前我国众多企业管理效益低下，适应市场的竞争能力下降的重要原因。