Unfortunately, the polyurethane foam he used is inherently unstable.
不幸的是，他使用的聚氨酯泡沫本身就不稳定。
Surrounded by open ocean, it is also vulnerable, but Antarctic experts disagree strongly on just how unstable it is.
它被广阔的海洋包围，也很脆弱，但南极专家对它的不稳定程度存在强烈分歧。
Poured concrete retains walls work well in the heavy or unstable soil and steep slopes, making other walls inadvisable.
在重质或不稳定的土壤和陡峭的斜坡上，浇注混凝土挡土墙效果良好，让其他墙成为不明智的选择。
This place gets its name from a Creek Indian word, which refers to the unstable floating islands that are common within the swamp.
这个地方的名字来源于克里克印第安语，指的是沼泽中常见的不稳定的浮动岛屿。
If their population is tracked through time, it will be seen to be particularly unstable—soaring and plummeting in irregular cycles.
如果对它们的数量进行时间记录，就会发现它是很不稳定的——以不规则的周期急剧上升下降。
This combination is unstable and quickly rearranges itself into a stabler, but still reversible, substance known as an Amadori product.
这种混合物是不稳定的，会迅速重新排列成一种稳定但仍然可逆的物质，这种物质被称为阿马多里产物。
We are usually tired already by the time we get on a plane, and the crowded space and unstable internet connection make work more challenging.
当我们上飞机的时候，通常已经很累了，而拥挤的空间和不稳定的网络使工作更具挑战性。
Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems.
数学模型也揭示了食物网可能是不稳定的，顶级肉食性动物的微小改变会对整个生态系统产生巨大影响。
To take an extreme example, farmlands dominated by a single crop are so unstable that one year of bad weather or the invasion of a single pest can destroy the entire crop.
举个极端的例子，以单一作物为主的农田是如此不稳定，一年的坏天气或单一害虫的入侵可以摧毁整个作物。
The energy absorbed by the chlorophyll molecules of the unstable autumn leaf is not immediately channelled into useful products and processes, as it would be in an intact summer leaf.
不稳定的秋叶叶绿素分子吸收的能量，不会像在完好的夏叶中吸收的能量那样立即传输到有用的产品和工艺流程中去。
Both clay and sandstone are unstable rock formations.
黏土和砂岩都是不坚固的岩石构造。
Their politics consisted of unstable power plays between rival groups.
他们的政治活动包括竞争集团之间的争权夺利。
The erratic fluctuation of market prices is in consequence of unstable economy.
经济波动致使市场物价忽起忽落。
An isolated Myanmar is an unstable Myanmar.
缅甸的孤立就是不稳定。
So Pakistan's painful and unstable status quo persists.
因此巴基斯坦痛苦不稳的现状仍然持续。
Problem 7: Cluster becoming unstable after removal of rg.
问题7：删除RG之后集群变得不稳定。
Unstable, uncertain and unpredictable factors are increasing.
不稳定、不确定和不可测因素增加。
Radioactive materials are composed of atoms that are unstable.
放射性物质由很多不稳定原子构成。
We know what an unstable and changing climate means for health.
我们知道，不稳定的、变化多端的气候对卫生意味着什么。
On the other hand, unstable and uncertain factors are increasing.
另一方面，不稳定不确定因素增多。
Jordan is sullen, Algeria unstable and Yemen seething (see article).
约旦河阴沉，阿尔及利亚不稳定，也门正在沸腾。
However it remains one of the poorest, undeveloped and unstable.
然而，它也一直是最穷、最乱、最落后的地区之一。
An unstable atom gives off its excess energy until it becomes stable.
不稳定的原子释放出多余的能量，直到变得稳定。
High blood sugar produces unstable forms of oxygen called free radicals.
高血糖会产生不稳定的氧叫做非常自由氧。
An unstable Pakistan would seriously undermine global efforts in combating terrorism.
不稳定的巴基斯坦讲决定性的影响全球在反恐方面的努力。
The first step in the unstable tree search is to recalculate the checksum over the page.
在不稳定树中搜索时，第一步是重新计算页面上的校验和。
The poorer the quality of your life. And the more unstable and unpleasant your moods.
你的身体素质越差，你的情绪就会格外的不安和躁动。
Unstable standards may contribute to interoperability and resulting organizational issues.
不稳定的标准可能影响互操作性和导致组织问题。
Unstable standards may contribute to interoperability and resulting organizational issues.
不稳定的标准可能影响互操作性和导致组织问题。
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