最大限度地减少总重量和总体积，这对于某些系统来说，是关系到能否实用，实际上也就是能否存在下去的重要问题。
The utmost reduction in overall weight and volume is essential to the usefulness and, in fact, existence of certain types of systems.
最大限度地减少总重量和总体积，这对于某些系统来说，是关系到能否实用，实际上也就是能否存在下去的重要问题。
The utmost reduction in overall weight and volume is essential to the usefulness and, in fact, existence of certain types of systems.
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