众所周知地球上最顽强的生命种类是蟑螂，他们生活在有食物的任何地方。

It's well-known that the most tenacious of life species on the Earth are cockroaches. They live everywhere if only there in food.

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目的对1999~2002年蟑螂监测密度结果进行分析，了解抚顺地区蟑螂种类、构成与分布以及季节消长，以便有针对性地对城市蟑螂进行防制。

Objective To analyse the results of cockroach density inspecting from 1999 to 2002, and to find out cockroackes sorts, composing and cockroaches distributing and its season growth and decay in Fushun.

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科学家相信他们在澳洲一处古老洞穴中或许已找到了新的昆虫种类- 一种白化蟑螂，经过分析后发现，牠们可能跟所有的蟑螂种类都不一样。

SCIENTISTS believe they may have found a new type of insect deep inside ancient Australian caves, after tests on an albino cockroach showed it might not be a cockroach after all.

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