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- periodic forcing function 周期强制函数
- The theoretical analysis shows that periodic forcing onlyexcites the polar motion with the corresponding period, and stochastic motion is oneexciting source with the best probability for the Chandler Wobble. 理论分析表明：周期性强迫运动只能激发与其周期相一致的极移运动，随机运动是Chandler摆动最主要的激发源。
- The lake shore sandy dike in the shrinking process of "Hetao ancient lake" in the geologic period, which is suffered from the wind force function "rises right on the sandy land", is the substantial basis of the formation of Maowusu sandy land. 摘要地质历史时期“河套古湖”退缩残留的湖滨沙堤受风力作用“就地起沙”，是毛乌素沙地形成的物质基础。
- The hydrodynamic force function is the primary factor of affecting the jig sorting effect. 水动力作用是影响跳汰分选效果的主要因素。
- Firstly, the step function is adopted as actuating force function for acquiring a convenient damper change. 为了使阻尼变化容易实现，在设计激励力时采用了阶跃函数方式；
- In this paper, the problem of controlling the Euler's dynamically buckling problems by means of the coupled feedback controlling and periodic force excitation were studied. 摘要研究了利用藕合反馈控制法和周期激振力法来控制欧拉动弯曲问题。
- A formula for calculating the minimum underbalance in lower permeability reservoir is obtained by applying a drag force function to testing data. 通过将拖曳力函数用于油田测试数据，提出了确定低渗透地层最小测试压差的公式和方法。
- The second part dealt with the "local characters "force function analysis of industrialclusters development in small towns. 第二部分是小城镇产业集群发展的“地方性”力量作用分析。
- Then a new attractive force function and a new repulsive force function are deduced, which the robot can adjust its velocity to escape from obstacles, and move to target quickly, or track target synchronously. 在新的势场函数作用下机器人能够快速调整自身的速度大小和方向，使其快速脱离障碍物的威胁并能快速地到达目标或追踪目标。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- At the same time,under the full load status and rotor imbalance force function,its vibration grade fall,basic pulse force and input its response when sine force were computed and analyzed. 同时计算分析减速器在满负荷工况下,减速器在转子不平衡力作用下,减振器上下的振级落差、基础脉冲力及正弦力输入时减速器的响应。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
- In that period auto sales hit a14-year low. 这时期汽车销售量达到14年来最低水平。
- In this period, unemployment reaches record levels. 这段时间的失业人数又达到了创纪录水平。
- Which period of history are you studying? 你正在学哪一段历史？
- Can you tell me the time period when it was stolen? 能不能告诉我大概什么时候被偷的？
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
