Compares the current expression and child nodes to another expression to determine whether they are equal.

将目前的运算式和子节点与其他运算式比较，判断它们是否相等。

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In the seepage theory, the current expression of boundary condition on phreatic surface is aimed at a kind of seepage.

渗流理论中现有的潜水面边界条件表达式是针对特定方向的一类潜水渗流问题而给出的。

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Click on the output branches sub-tab, then click Yes to select the top output. Scroll to the bottom of the attributes, and you will see the current expression used in the decision.

单击Out put branches子选项卡，然后单击Yes以选择最顶上的输出。

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This proposition is based both in climate-modeling results and the Region??s climate signs and trends evidencing that the above-mentioned factors are a climatic expression of the current conditions.

UNESCO: Climatic Change

He was an occasionally observant if less than pious Catholic who became part of that circle of secular, mostly Jewish New York intellectuals whose style of thought and expression, if not their current politics, was rooted in the polemics of the kind of exotic Marxist radicalisms that never tempted him.

NEWYORKER: Politics and Prose

Two current exhibitions explore the impact of Darwinian theory on cultural expression.

BBC: Friday 11 September: Darwin special