This initial layer formed of both cellulosic and non cellulosic materials is called the primary wall.

这个原始的管状结构，由纤维素和非纤维物质构成，称作初生层。

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This initial layer, formed of both cellulosic and noncellulosic materials, is called the primary wall.

这个原始的管状结构，由纤维素和非纤维物质构成，称作初生层。

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The developmental process of fibers could be divided into three continual stages such as fiber initial formation and the formation of primary wall and secondary wall.

纤维细胞的发育过程可以分成明显的三个连续阶段：纤维原始细胞形成期、初生壁形成期和次生壁形成期。

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Among primary Wall Street competitors Morgan Stanley, Bank of America, Citigroup and JPMorgan, only Goldman Sachs is a net buyer of shares.

FORBES: Goldman Sachs Floats On Buffett Moat

The Treasury can auction its own bonds without need to pass them through privately owned primary dealers on Wall Street to get them sold.

FORBES: Connect

Washington's primary role doesn't excuse Wall Street's excesses, but it puts them in proper perspective.

FORBES: Magazine Article