Every industrial cluster has its lifecycle and it can be divided into formative phase, growth phase, maturity phase and shakeout phase.

产业集群具有生命周期，并可以大致划分为诞生、成长、成熟和衰退四个阶段。

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Therefore, the mechanism that humic-type organic matter can generate gas on a large scale in low-maturity phase can be used to reasonably explain the genesis of the gas in this field.

因此，可以用腐殖型有机质在低演化阶段能规模性成气的机理合理解释该气田的成因。

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Phase 3: Calculate the product's overall maturity score.

阶段3：计算产品的整体成熟度评分。

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The mobile market is entering the maturity phase, at least for device and data adoption.

FORBES: Is Mobile Dead or Entering a New BattleGround?

While we are reaching a maturity phase in the move to smartphones, we have yet to reach maturity in the mobile software experiences that come with these devices.

FORBES: Is Mobile Dead or Entering a New BattleGround?

Coaches are then charged with supervising the nutrition, weight training, behavior, academic prowess, and practice of older adolescents who are often still in a growth and maturity phase.

FORBES: Massive Coaching Salaries Are Justified