Based on different demand cases, a single point estimation method based on demand approximation and an analytical expression method based on traffic equilibrium model were put forward.

针对不同的需求情形，分别提出了求解交通平衡模型的基于需求点逼近的点估计法和基于模型的表达式分析法。

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As they talked, she put her hand on this leg as an expression of true compassion and friendship.

FORBES: Showing Compassion to Colleagues: Sexual Harassment or Friendship?

Though Mattis got an expression of interest from the Brooklyn Museum in mounting a Baltermants exhibit, that project was put on ice after Sept. 11 chilled arts budgets.

FORBES: Life