His abrupt change of subject left her floundering helplessly.
他突然改变话题，使她茫然不知所措。
Mullins knocked me off-balance with his abrupt change of subject.
马林斯突然改变话题让我大为吃惊。
The outbreak of Covid-19 has meant an abrupt change in our life and work.
新冠肺炎疫情的爆发，给我们的生活和工作带来了一个突然的变化。
There was probably an abrupt change of climate around 1830 in Jiangsu province.
江苏气候在1830年前后可能发生过一次转折。
The US report considers four scenarios for abrupt change, and delivers bad news on two.
而这份美国的研究报告涉及了有关气候突变的四个方面的内容，其中的两个方面都透漏出了坏消息。
Years of working under somebody could culminate in an abrupt change in your lifestyle.
多年的工作可能最终因为一些人出现在你的生活而改变习惯。
Testing should be repeated immediately if there is an abrupt change in maternal condition.
如果母亲情况突然变化应立即进行检查。
But the abrupt change in Kyrgyzstan is also being closely watched in the rest of Central Asia.
然而中亚的其他国家也正在密切地关注着吉尔吉斯斯坦局势的遽变。
Evidence of abrupt change — on a geological time scale — wrought by human hands would seem to be overwhelming.
人类造成的突变(以地质时期为尺度衡量)，其证据触目惊心。
Pulse: a regular, significant abrupt change of short duration in the level of an electric voltage or current.
脉动：电压或电流作有规则的，短暂的和明显的突然变动。
Thus, the abrupt change in each hydrochemical observation item was cased by water pumping, not seismic anomaly.
因此，该测井水质测项大幅度突跳变化是由于连续抽水影响所致，不属于地震前兆事件。
The dynamic performance of synchronous motor under abrupt change of load is investigated using the state equation.
利用同步电动机的状态方程，研究了同步电动机在突加负载时的动态过程。
Thus, this abrupt change was mainly caused by a temperature increase in summer as well as an annual snowfall decrease.
所以，本次突变系夏季温度升高、消融剧增为主导，叠加年降雪量递减的综合结果。
The discontinuous change in free volume will involve an abrupt change of the permeability of the breathable material layer.
所述自由体积的不连续变化会涉及所 述透气材料层的渗透性的突然变化。
A transient stability closed-loop emergency control method considering the abrupt change of electromagnetic power is proposed.
提出一种考虑电磁功率突变的暂态稳定闭环紧急控制方案。
By applying CUSUM method, the problem of response lag of RLS algorithm in detecting abrupt change of road surface is resolved.
应用累积求和统计控制法(CUSUM)，解决了RLS算法在检测跃变路面时响应滞后的问题。
Otherwise, the growth experiment results show that the abrupt change of growth rate during shoulder formation tends to cause twining.
另外，晶体生长过程中放肩阶段生长速率的突变则是导致孪晶形成的主要的外部因素。
The hydraulic fracturing owing to the cracks may occur in the core DAMS with abrupt change of bank slope during rapid reservoir filling.
存在坝肩变坡的心墙在固结中会形成局部低应力区，快速蓄水时有发生水力劈裂的可能。
The contemporary society has already alienated from media of deficient stage and marched into a time with over-expansion and abrupt change.
当代社会早已远离传媒匮乏的阶段，步入如今传媒过度膨胀、急剧变革的时代。
More likely, Dr. McHugh said, they fell victim to a training error, which, he explained, "in reality can mean any abrupt change in training patterns."
麦克休博士说，很有可能，他们是错误训练的受害者，也就是训练方式的突然改变。
This has caused market shares to rise for Southwest, however, the abrupt change might have also contributed to its decrease in on-time performance.
这对西南导致市场份额上升，然而，突变也可能导致其准时性能下降。
The said glutamine synthetase is prepared by abrupt change of the 405th amino acid residue of amino end to phenylalanine corynebacterium glutamicum .
该谷氨酰胺合成酶是自氨基端第405位氨基酸残基突变为苯丙氨酸的谷氨酸棒杆菌的谷氨酰胺合成酶。
While the formal rules can be changed overnight, the informal constraints are much more impervious to change and impose a powerful drag on abrupt change.
尽管正式规则能突然改变，而非正式约束却远不受变化的干扰，并能强有力的延缓突然的变化。
The partner without ADHD, bewildered by the abrupt change, may start to feel unloved or unattractive—interpreting a distracted spouse as an uninterested spouse.
没有多动症的伴侣会为这种陡变而困惑，可能会开始感觉不被爱了，或者自己没有吸引力了---将心神不定的伴侣认作是冷淡。
After the abrupt change of temperature, the climate of Inner Mongolia was warming obviously, compared with abrupt change before, there was obvious difference.
气温突变后内蒙古气候显著变暖，与突变前相比有明显差异。
The structural slope_break zone, resulting in the abrupt change of the depositional slope, is initiated by the long_term activity of syndepositional structure.
构造坡折带是指由同沉积构造长期活动引起的沉积斜坡明显突变的地带。
But Obama found it more important to avoid an abrupt change in the global security policy given the two US wars in Iraq and Afghanistan and the ongoing terror threat.
但是奥巴马觉得避免针对在伊拉克和阿富汗这两场与美国有关的战争及当前的恐怖威胁的政策的突然转变更重要。
General mechanic differences and methods of dynamic response analysis of RC structure characterized by abrupt change in horizontal connection stiffness are discussed.
探讨具有水平连接刚度突变特征的钢筋混凝土结构的一般力学特点与动力反应分析方法。
The abrupt change and the slow change of leakage current are identified and detected by the continuous moving variation method and the window moving variation method.
该技术是通过采用连续移动变化量法和窗口移动变化量法，实现突变漏电电流、持续缓变漏电电流的识别与检测。
Periodical analysis showed that abrupt change of sediment load happened in 1968 and 1984, which divided the variation process of river sediment load into three stages.
中国主要河流入海泥沙还具有明显的三个阶段变化特征，即分别在1968年和1984年前后发生了突变。
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