If the value matches the current map contents for the key, the key is removed. Listing 5 shows the equivalent source for this operation.

如果值匹配键的当前映射内容，那么就删除这个键。

youdao

In this paper the method and its efficiency of equivalent source inversion were illustrated.

本文叙述了等效源反演方法和其有效性。

youdao

The new type equivalent source method (NESM) is applied to the nonlinear magnetostatic field of the axisymmetric field.

首次提出用新型等效源法求解轴对称非线性静磁场问题。

youdao

"Hypothetically, we would have offered them equivalent time, " the source said.

CNN: 30-minute Obama ad shows campaign muscle

This is a highly sensitive business, the number of companies around the world that have the technology to produce this kind of cell is very limited and by us going out on the BBC and explaining where our source is is equivalent to commercial suicide.

BBC: Stem cell treatment warning

Because the kilowatt-hours used by cars ultimately come from some carbon-based source (power plant or otherwise), the calculation converts kilowatt-hours to equivalent gallons of gasoline consumed.

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