The real extinction problem, he says, is human population pressure: habitat destruction, pesticide abuse, overharvesting, and species invasion.
他说，真正的灭绝问题是人类的人口压力：居住地的破坏、滥用杀虫剂、过度捕杀、物种入侵等。
Japan has been under pressure from conservation groups, the United States, Australia and New Zealand not to hunt humpback whales - which are considered near extinction.
日本此举受到物种保护组织如美国、澳大利亚、和新西兰的强烈谴责，他们认为不应该捕杀濒临灭种的座头鲸。
The essential reason for the extinction of rhinoceros in China was human population pressure.
犀牛在中国灭绝的根本原因是人口压力。
Under pressure from humans, the chimpanzee has suffered population decline, habitat fragmentation, and in some places local extinction.
在人类的压力下，黑猩猩们面临了人口下降，栖息地破坏，还有某些地方的灭绝。
The source has been used to study the effect of pressure on argon plasma parameters and microwave power for plasma ignition and extinction.
环形波导内侧开有多个狭缝用来激励产生等离子体。 利用该源研究了气压对等离子体参数、击穿功率和熄灭功率的影响。
The source has been used to study the effect of pressure on argon plasma parameters and microwave power for plasma ignition and extinction.
环形波导内侧开有多个狭缝用来激励产生等离子体。 利用该源研究了气压对等离子体参数、击穿功率和熄灭功率的影响。
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