The International System has base units from which all others in the system are derived.

国际轨制有根基单位，由此衍生出此轨制中的其他单位。

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Test server is one of the base units for the distributed networked test system, and is the center of test service.

测试服务器是分布式网络测试系统的基本组成单元和测试服务中心。

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Pre-order pricing is currently set at $750 for single base units, with discounts available for customers ordering multiple units.

目前单个的预定价格是750美刀，如果订购多台还能有折扣优惠。

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You know that messenger RNA is read in three base units called codons, and so this particular piece of messenger RNA is drawn in this cartoon in three base pair units.

RNA是按每三个碱基组成一个密码子,进行翻译的,在这幅动画中所画的mRNA,就是按三个碱基一组的方式来描绘的

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