So it is with the science of biological control in its modern sense. in american it had its obscure beginnings a century ago.
现代的生物控制论就是如此。一百年前，这门学科在美国开始创立时也是隐隐约约的。
So it is with the science of biological control in its modern sense. in american it had its obscure beginnings a century ago.
现代的生物控制论就是如此。一百年前，这门学科在美国开始创立时也是隐隐约约的。
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