This accounts for ice having a lower density than water.

这就是冰的密度比水小的原因.

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These filaments reveal where the shock wave is encountering lower - density , more uniform interstellar material.

纤维揭示的是激波与更均匀的 低密度 星际物质相遇的地方.

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In addition ADI has advantages of lower density , low cost low energy consumption, batter damping capacity.

此外ADI还 具有重量轻, 成本低,能源消耗低, 减震性好等特点.

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Magnesium alloy with lower density, lower viscosity and excellent liquidity is suitable for anti - gravity casting.

镁合金密度小 、 粘度低、流动性好,很适合于 反 重力铸造.

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