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1·An octa-mer of histones package DNA into a structure called a nucleosome.

一种组蛋白的八聚物把DNA打包成一种叫做核小体的结构。

2·octa reserves quadword values (the mnemonic is a holdover from 16-bit days).

octa 保留四字值（此缩写形式延用了 16 位时的用法）。

3·The two flame retardants tested – penta and octa PBDE – have been banned in the United States since 2006.

被测试的两种阻燃剂材料-五溴联苯醚（penta-PBDE）和八溴二苯醚（octa-PBDE）-自2006年起已在美国被禁用。

4·Nearly every American tested contains traces of penta and octa BDE, the two formulations most widely used in furniture.

几乎每一个接受测试的美国人体都有五溴和八溴二苯醚的痕迹，这两种物质是家具业用得最广泛的。

5·Replacement parts that contain the octa or penta mixtures of PBDE, and if the parts are used in a product manufactured before January 1, 2006.

用于2006年1月1日前生产的产品、含有五溴二苯醚或八溴二苯醚的替换部件。

6·Octa-iso-pentyloxyphthalocyanine lead with high solubility was designed and synthesized to choose good characteristic phthalocyanine gas sensing material.

为了筛选性能优良的酞菁类气敏性材料，设计合成了可溶性的八异戊氧基酞菁铅。