Primary Path refers to the preferred route from one switched node to another.

主通道是从一个交换节点到另外一个交换节点的优先路径。

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The primary path length difference between asynchronous and synchronous polls is the allocation and eventual clean up of control blocks.

异步和同步poll之间的主要路径长度差异是，分配和最终清除控制块。

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Following a lifestyle that decreases LDL (low-density lipoprotein) and increases HDL (high-density lipoprotein) is the primary path to lower cholesterol.

在日常生活中，人们一般把降低低密度脂蛋白ldl和增加高密度脂蛋白hdl当作是降低胆固醇的主要的路径。

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The problem is that I'm not alone in using my cellphone as my primary path to the Internet.

WSJ: Confessions of an iPhone Data Hog

This has not been the primary path for all Americans, of course.

FORBES: California And The Jews

Sustainable forms of energy can also play a key role in income generation - a primary path out of poverty for the millions who do not have access to reliable grid-distributed electricity.

BBC: Powering our way out of poverty