黑腿蜱虫大多存活于浓密的树林区域（占全部抽样的67%）和群落交错区（22%）。 群落交错区是指林地与开阔地带之间的过渡区域。
The blacklegged tick is found mainly in densely wooded areas (67% of total sampled) and ecotone (22%), which is unmaintained transitional edge habitat between woodlands and open areas.
与生态系统类似，营销系统是企业与其环境形成的“群落交错区”。
Similar to ecosystems, marketing system (MS) is the ecotone of an enterprise and its environment.
体现了森林草原交错带鸟类群落的组成特点，即由森林鸟类逐渐向草原鸟类过渡。
It embodied the composition characteristics of bird communities in forest-stepped ecotone from forest zone to steppe zone gradually trastion.
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