They strongly suggest that the neutrino has mass, albeit an infinitesimal amount.
他们强烈表明中微子是有质量的，尽管质量是无穷小的。
They do not know why matter has mass.
他们不知道为什么物质会具有质量。
They are now producing production type artwork that has mass commercial appeal.
他们现在大量生产有巨大商业吸引力的画作。
They are now producing production type artwork that has mass commercial appeal.
他们现在大量生产有巨大商业吸引力的画作。
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