The new tree-climbing machine is suitable for various seeds harvesting in forest regions, the tree maintenance in the forests and the operation of electric wire poles.

座式上树设备广泛适用于林区各种母树的采种采果、森林维护以及电力部门外线作业。

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This scheme lessens efficiently multicast traffic in network, and reduces multicast tree maintenance costs, but does not cause multicast data delivery to incur too large delivery delay.

该方案有效地减少了网络中的多播通信量并降低了多播树的维护代价，却没有给多播数据传输带来太大的延迟。

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Using photovoltaic cells, the Air Tree produces a substantial amount of energy, which is then sold back to the local electric companies, the profits being used for maintenance of the structure.

空气树通过光伏电池产生巨大的能量，这些电将输送回当地的电力公司，而由此产生的利润将用于该建筑的维护。

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With a need this great, customers ready to pay and no existing solution, the vision for his current venture was clear: Tree maintenance!

FORBES: With The Right Mentality, Money Really Does Grow On Trees

"Tree maintenance is important, and I would very much support an annual survey, but throwing money at it isn't necessarily the right way to address the problem, " he added.

BBC: Tree survey to cost Peterborough council almost ?3m