Black bear cubs use trees for defense, whereas brown bears and polar bears, which regularly inhabit treeless environments, rely on aggression to protect their cubs.
黑熊幼崽用树来防御，而经常生活在没有树的环境中的棕熊和北极熊则依靠攻击性来保护它们的幼崽。
The JATAS program will provide the next generation threat warning system to protect U.S.Navy and Marine Corps assault aircraft for increased survivability in hostile environments.
该JATAS项目将提供下一代威胁预警系统，以保护美国海军和海军陆战队攻击机，增加在恶劣环境的生存能力。
The JATAS program will provide the next generation threat warning system to protect U.S. Navy and Marine Corps assault aircraft for increased survivability in hostile environments.
该JATAS项目将提供下一代威胁预警系统，以保护美国海军和海军陆战队攻击机，增加在恶劣环境的生存能力。
Creating 100% smoke-free environments is the only way to protect people from the harmful effects of second-hand tobacco smoke.
创造100%的无烟环境，是保护人们免受二手烟草烟雾有害影响的唯一途径。
This year's Day promotes 100% smoke-free environments as the only effective way to protect people everywhere from exposure to second-hand tobacco smoke.
今年的无烟日提倡100%无烟环境，作为防止世界各地人们接触二手烟草烟雾的唯一有效途径。
First, there are standard attacks that are launched on Windows environments which these security Settings can help protect against, if configured correctly.
第一，正确设置这些安全设置，它可以帮助windows抵抗一些对系统的常规攻击。
True, our urban environments are full of 'unnatural' dangers. But we can still learn from our origins - footwear was designed to protect the soles of the feet where necessary, and it was temporary.
的确，我们不再像我们的祖先一样打猎，且城市里有很多自然界不存在的‘危险’，但我们仍然可以从我们的祖先那学到一些东西——鞋仅仅是人们为了在某些特殊场合保护足底而设计的，对我们的祖先来说，穿鞋这一行为是临时性的。
The precision pesticide application system was briefly introduced, which could reduce the impact of pesticides on environments, increase the ecosystem sustainability, and protect the operators.
提出了减小农药环境污染、增强生态系统可持续性和保护操作者身心健康的精确农药施用系统。
Under complex environmental conditions , it's a difficult problem to protect the surrounding environments in the construction of super - deep and super - large foundation pits .
复杂环境条件下，超深超大基坑施工对周围环境的保护是一个难题。
The JATAS program will provide the next generation threat warning system to protect U. S. Navy and Marine Corps assault aircraft for increased survivability in hostile environments.
该JATAS项目将提供下一代威胁预警系统，以保护美国海军和海军陆战队攻击机，增加在恶劣环境的生存能力。
The aim of the RSPB are to campaign about environmental issues, protect, restore and manage endangered environments and to research bird life.
英国皇家保护鸟类协会的宗旨就是鼓动和参与有关环境问题的活动，保护，恢复和管理已经遭到危害的环境和研究鸟类的生存。
Water mist suppression system is used to protect water sensitive environments, such as rare book collections in libraries.
细水雾灭火系统被建议用于保护对水敏感的环境，例如图书馆的珍稀图书收藏室。
Both fibers feature plastic cladding to protect the fiber during buffer stripping and prevent breakage, while increasing fiber strength and reducing static fatigue in humid environments.
这两种纤维都具有塑料覆盖，在缓冲条剥落期间保护光纤，防止断裂，同时提高纤维强度和减少在潮湿环境中的静态疲劳。
SPS measures can protect their citizens, animals, plants and natural environments from being contaminated by pests and disease with standards, regulations and direct ban on imports.
动植物卫生检疫措施可以通过标准、法规或直接限制进口等方式保护本国动植物的安全。
It is used not only to protect paint shop floors, but also to mark semi-permanent "safe-areas" and walkways in industrial environments.
该膜不但可以用于地面，还可用于工业走道和非永久性“安全区”。
It is used not only to protect paint shop floors, but also to mark semi-permanent "safe-areas" and walkways in industrial environments.
该膜不但可以用于地面，还可用于工业走道和非永久性“安全区”。
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