她赢得了相当于500万美元的奖金。
She won the ___equivalent of $5 million.
在法律上，数字签名可以等同于手写签名。
In legal terms, a digital signature can be ___equivalent to a handwritten one.
在物理学中，能量和质量在某些条件下被认为是等价的。
In physics, energy and mass are considered to be ___equivalent under certain conditions.
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