求翻译：第二，养生原则，林下设置健身器械，注重有层次的植物景观造景，有针对性地选用对人体有益的树种，例如：银杏、朴树、雪松、七叶树等，对肺有益；女贞、朴树、桂花等；对肾有益，为人们提供一个养生、健身场所，缓解平时工作的压力，营造安逸、独立、舒缓的森林氧吧。是什么意思？

Second, the principle of health, undergrowth set the fitness equipment, pay attention to the level of landscape plants landscaping, targeted selection of tree species beneficial to humans, such as: ginkgo, hackberry, cedar, horse chestnut and other right lung useful; female Ching, hackberry, sweet-s

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Second, the keeping in good health principle, under the forest establishes the fitness instrument, pays great attention to the stratified plant landscape to make the scenery, has pointed selects to the human body beneficial tree seed, for example: The gingko, the hackberry, the deodar cedar, the buc

Second, health principles, forest Xia set fitness devices, focusing on has levels of plant landscape made King, has targeted to selection on human useful of species, such as: Ginkgo biloba, and hackberry, and cedar, and aesculus,, on Lung useful; PRIVET, and hackberry, and osmanthus,; on renal usefu

正在翻译，请等待...