Excluding aerospace, California's share of the country's high-tech jobs has remained steady at just over 20%, estimates Mr Levy.
除去航天航空工业，加州占高科技工作的份额一直稳定的保持在全国20%以上，李维先生估计说。
Excluding aerospace, California's share of the country's high-tech jobs has remained steady at just over 20%, estimates Mr Levy.
除去航天航空工业，加州占高科技工作的份额一直稳定的保持在全国20%以上，李维先生估计说。
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