Finally, one might think master TFs achieve their wide influence through directly regulating many targets, but TFs with most direct targets are in the middle of the hierarchy.
研究人员曾经认为主控转录因子通过直接调节许多基因来产生广泛的影响，但事实上具有最多直接的调节靶标的转录因子处于这种层次网络的中间。
Fair value measurements has long been regarded as a tough issue in world-wide financial reporting, of which definition and measurement hierarchy is considered as sticking points.
公允价值计量是一个公认的世界性财务报告难题，“定义”和“计量级次”是该难题的症结所在。
Chapter authors-world-recognized experts in their fields-provide authoritative discussions on a wide range of topics along this hierarchy.
沿著这个阶层的作者世界认识到的在他们的领域方面的专家提供的章关于大范围题目的威权的讨论。
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