“变异的”造句

他论证说,生物是由于一些小的遗传变异的积累而逐渐演变的.
He argued that organisms evolve gradually by accumulating small hereditary changes.

蛋白酶是阻止非典病毒变异的关键物质.
A protease is key to the replication of the virus.

标准离差是变异的正直根.
The standard deviation is the square root of the variance.

• #变异的