In this paper, we consider some planar quintic Hamiltonian vector field with Z3-equivariant property, get its global phase portraits, and classify its parameter space.

文章考虑了一类具有等变性质的五次哈密顿向量场的全局性质，得到了其全局相图并对参数空间进行了划分。

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Phase six would mean a global pandemic.

VOA: special.2009.05.06

The WHO's Phase 5 threat warning signals that a global pandemic could be imminent, but has yet to develop, with human-to-human transmission occurring in many geographical locations.

VOA: standard.2009.04.30

But it has taken on new urgency,coming one day after the World Health Organization raised its global swine flu alert to Phase 4 on the six-point scale.

VOA: standard.2009.04.28

The quantity and quality of proposals received in response to the Phase II HELP Global Call 2003-04 were encouraging signs of progress being made by the original Phase I Pilot basins of 2001.

UNESCO: Programas del PHI

We expect an inflection point and a time-consuming price discovery phase for global markets after world liquidity conditions tighten.

FORBES: Malpass: 'Sturdy, Not Fragile'

The company is today announcing the final phase of its global project to create Silicon Valley-type networks of business creation, a project called BizSpark.

FORBES: Microsoft's War on Google's Terms