它是由肋形丝，棒体、条体和尖形物组成错综复杂的网状结构。

IMPAC is complicatedly structured like a network being composed of ribbed silk, rod body and tapered parts.

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它是由肋形丝，棒体、条体和尖形物组成错综复杂的网状结构。

IMPAC is complicatedly structured like a network being composed of ribbed silk, rod body and tapered parts.

youdao