Regeneration systems for two melon varieties, Queen and K7-3, were established by tissue culture.

通过组织培养建立了皇后和K7 - 3两个甜瓜品种的组织培养再生体系。

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The inner race is keyed to the shaft. The outer race has h7 tolerance and should be fitted in housing with a k7 tolerance. Additional side notches provide for positive torque transmission.

内环与轴用键联接，外环尺寸公差为h 7与公差为h7的机壁配合，外环两侧端面键用于固定外环与机壁以传递扭矩。

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The K7 is promised to run at 600 MHz when made with AMD's current 0.25-micron process.

CNN: AMD's K7: Better than Intel's best processor?

Later this year, the company's move to a 0.18-micron process will shrink the K7 and make higher speeds possible.

CNN: AMD's K7: Better than Intel's best processor?

Scheduled for release in the second quarter of 1999, the K7 will run at clock speeds of 500MHz and higher.

CNN: AMD, Rise launch new processors