Can divergence occur if no physical barriers are in place to separate individuals who continue to live and reproduce in the same habitat?
如果没有物理屏障将继续在同一栖息地生活和繁殖的个体隔离开来，分化是否会出现？
Eventually the subpopulations become so genetically distinct that they cannot interbreed even if the physical barriers between them were removed.
最终，这些亚种群在基因上变得如此不同，以至于即使消除了它们之间的物理障碍，它们也无法杂交。
The researchers think that blinking sets up tiny physical barriers that help to shut off the outside world.
研究者认为眨眼能使当事人建立起一种细微的生理屏障，使其与外部世界隔绝。
It also helps that the mobile communications and satellite technologies used by the project are able to surmount physical barriers such as geographic location.
不仅如此，该项目采用的移动通讯和卫星技术还能克服环境上的阻碍，如地理位置的不同。
Meanwhile, multiple physical barriers shall be set up to ensure that multiple lines of defense are in place to prevent and control release of radioactive substances into the environment.
同时，设置多道实体屏障，确保层层设防，防止和控制放射性物质释入环境。
Used primarily for hysteria amnesia, multiple personalities, and various physical barriers.
主要运用于癔症性遗忘，多重人格和各种躯体障碍。
When we think of hand safety, we must first ask ourselves what primary level of protection is in place, such as plans, procedures, physical barriers, and work practices.
一想到手的安全，首先要自问一级防护措施实施的如何，如：计划、程序、围栏、操作步骤等。
When we think of hand safety, we must first ask ourselves what primary level of protection is in place, such as plans, procedures, physical barriers, and work practices.
一想到手的安全，首先要自问一级防护措施实施的如何，如：计划、程序、围栏、操作步骤等。
应用推荐