Polar bears cannot survive without sea ice, using it to raise their young, to travel and as a platform for hunting seals - their primary food source.
没有海冰，北极熊就无法生存。它们需要利用海冰来抚养幼仔，四处漫游，并以此为平台捕猎它们的主要食物，海豹。
Polar bears are threatened because they use sea ice as a platform from which to hunt seals. But a warming climate brings many problems for the Inuit.
气候变暖让北极熊受到威胁是因为他们需要冰海来捕捉海豹，但是一个暖和的气候对因纽特人会带来很多麻烦。
The test is testified to be reliable and accurate by the description of scaling law of indoor ice pool platform model test, model scale choice, simulated ice conditions, and ice force measure system.
通过对在室内冰池进行的平台冰力模型试验中相似律、模型比尺选择、模拟冰条件以及冰力测量系统论述，证明了该项试验是可靠的和严密的。
The results in this paper provide effective method for the ice-induced fatigue design of jack-up platforms, and it provides foundation for the use of jack-up platform in ice zone.
研究结果为自升式平台冰激疲劳设计提供了有效的方法，并为自升式平台在冰区的使用提供了依据。
Because the storage tank effects on the structure excited by earthquake, wave, ice, the dynamical peculiarity of the offshore platform with storage tank is different from the common platform.
油罐在冰、波浪和地震作用下的动力响应对整体结构有很大影响，使储油罐平台的动力特性与一般导管架平台不同。
Conclusions drawn from the analysis can be used in dynamic design of the offshore fixed jacket platform in sea ice infested zone.
通过对计算结果分析研究所得到的结论，对冰区导管架平台的设计有一定的参考价值。
Variously complex accidental loads such as earthquake, wave, wind, ice and so on acted on the platform.
由于所处的复杂的海洋环境，储油罐平台承受各种动力荷载作用，如风、波浪力、冰、地震等等。
The dynamic fracture process of sea ice interacting with JZ20-2NW platform is performed on the basis of finite element software—LS-DYNA.
通过有限元软件LS-DYNA模拟了海冰与JZ20-2NW北高平台相互作用的动态断裂过程。
The comparison of different fatigue life of platform calculated by different ice-force model indicates that the vibration amplitude of platform is relatively small at high ice velocity.
对使用不同冰力模型计算出的平台疲劳寿命进行的对比结果表明，较高冰速下平台动力响应较小；
The maximum stress acting on tubular joint of offshore platform due to sea ice is closely related to the rupture form of sea ice which consists of crushing, bending and buckling etc.
海冰作用于近海平台管节点承受的最大应力与海冰的破裂形式密切相关。
Sea ice melts in summer. Without ice for a platform they cannot hunt seals, their main prey-and so they fast, eating almost nothing until ice forms in autumn.
夏季，海上冰雪消融，没有冰面作为平台，它们就无法捕食它们最主要的食物来源-海豹，所以，它们几乎不吃什么东西，禁食直到秋季冰块再次成型。
Based on the unified design variable method, the shape and sizing optimization design of jacket platform with dynamic ice-load is investigated.
基于统一设计变量方法，实现了导管架海洋平台在动冰载荷作用下的截面和形状动力优化设计。
A simplified method for calculating the fatigue damage of components under random wave and ice load was presented. This method was used to analyze the reliability of components and integral platform.
给出了在随机波浪载荷和冰载荷作用下平台构件疲劳损伤的一种计算方法，并利用该方法分析了平台单个构件和平台整体的疲劳可靠性。
The calculated data are in good agreement with the results from the field observation. The new calculation method is reasonable and applicable to the fatigue life design of ice-exited platform.
计算结果与现场观测情况一致，这进一步验证了新计算方法的可靠性，为平台冰激疲劳设计提供了依据。
The phenomena of ice-induced steady state vibration and frequency lock-in between ice force and response were observed on offshore platform.
在海洋平台上观测到了冰致结构的稳态振动，以及冰力和平台响应问的频率锁定现象。
The joint probability distribution of them is analyzed, which is great valuable to construct the fatigue ice-load for offshore platform with ice-broken cone.
为更加合理地确定锥体平台结构的疲劳冰荷载，对冰力幅值和周期进行了联合概率分析。
This paper is grounded on the project from Bohai Oilfield Services LTD in which the tubular joint's ice-induced fatigue strength of JZ20-2NW jacket platform is analyzed.
本文的课题背景系渤海石油公司JZ20-2NW导管架平台结构冰振疲劳计算项目。
The public activity and performance platform, the sculpture recording history and various acoustic and optical scene control neutralize the two ice-cold buildings.
公共的活动演台，记录南门地史的雕塑，不同的声光场景控制，拨活了这两种冰冷的建筑体。
We should understand his Ice Ink work on a more extensive platform.
我们要在更广阔的语境当中来观照他的“冰墨”创造。
The safety and production effected by ice-induced vibration have long been a serious distress problem imposed on production platform operating in Liao-dong Bay- the northern most area of Bohai Sea.
海冰引起的振动问题一直困扰着渤海尤其是辽东湾生产平台的生产和安全。
The safety and production effected by ice-induced vibration have long been a serious distress problem imposed on production platform operating in Liao-dong Bay- the northern most area of Bohai Sea.
海冰引起的振动问题一直困扰着渤海尤其是辽东湾生产平台的生产和安全。
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