Tissue microarray is an efficient technique to study genes and its expression product.

组织芯片技术是高效的研究基因及其表达产物的技术平台。

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Its yeast expression product has the effect of inhibiting protease activity. The gene and its coded protein may be also used in medicine and biochemistry fields.

酵母表达产物具有抑制蛋白酶活性的作用，该基因和其编码蛋白也可以应用于医药和生化领域。

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And this is just a Newtonian expression of momentum, the product of the mass of the electron times its instant velocity.

这只是牛顿学上关于动量的表达，用电子质量,乘以瞬时速度。

麻省理工公开课 - 固态化学导论课程节选

This publication makes clear, freedom of expression is not just a by-product of technical change and it must be protected by legal and regulatory measures that balance a variety of potentially conflicting values and interests in a complex global ecology of choices.

UNESCO: Communication and Information

The Organization also believes that freedom of expression is not just a by-product of technical change: it must be protected by legal and regulatory measures that balance a variety of potentially conflicting values and interests in a complex global ecology of choices.

UNESCO: MEDIA SERVICES

Beloved Disney character, or expression for a simplistic, ill-conceived plan or product?

FORBES: The 5 Most Popular Brands To Hijack