he's not much of a cricketer. hand-made cellulose acetate spectacle frame

the research of high precision large caliber reflective mirror micro drive equipment

高精度大通光口径反射镜架微驱动组件的研究

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trends dynamic state dynamic characteristics of mirrors' kinematic mount

镜架运动学支承动态特性

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her eyes behind the huge spectacles are clear and untroubled.

她那副大眼镜架后面的一双眼睛明亮而平静。

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finally, analyse the mirror holder by the experimental testing.

最后，对反射镜架进行了实验测试。

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analysis on ground random vibration response of large-scale precision mirror mount

大型精密镜架地面随机微振动响应分析

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the optimum aging process is keeping temperature 3 hour at 450 ℃ or keeping 1 hour at 480 ℃ as producing glasses frame component, the former can reduce the oxidation of component surface, the latter can raise the production efficiency effectively.

进行镜架配件生产时，所采用的最佳时效工艺为450℃保温3h或480℃保温1h，前者可减少配件表面的氧化，后者可有效提高生产效率。

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the psd measured on the install base level of the mount as the excitation, the random vibration response of the mount was analyzed with the psd module of ansys.

以镜架支撑安装基面上实测的地面振动速度功率谱密度为激励，运用ANSYS有限元分析软件的PSD分析模块，对该结构系统的随机振动响应进行了分析计算。

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the spectrum analyse module of ansys is used to analyze the mirror mount's response. the results indicate that the mirror mount under the effect of micro vibration can satisfy design demand.

并以实测数据作为激励，采用ANSYS谱分析模块对镜架的响应进行了分析，结果表明镜架在微振动作用下的响应满足设计要求。

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frame structure research and manufacturing of a new type array mirror for icf drive system

ICF驱动系统中新型阵列式镜架的设计研制

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based on the statistics, there are altogether 141 earthquake-induced dammed lakes in china since 1856. according to the formative process and the degree of potential danger, three types can be divided: high-danger dammed lake, steady-state dammed lake and transient dammed lake.

据统计，我国自1856年以来，共计产生141个地震堰塞湖，按照其形成和造成的灾害来看，堰塞湖可以分为3类：高危型堰塞湖、稳态型堰塞湖和即生即消型堰塞湖。

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the types of the co-seismic ruptures include: earthquake rent, scarplet, uplift, landslip, and blocked lake, in which the landslips are the most obvious and kept most completely.

同震破裂主要由地震裂缝、地震陡坎、地震鼓包、地震滑坡、堰塞湖等构造类型组成，其中以滑坡现象最为突出，保存也最为完整。

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finally, this text takes the dam-break of yigong barrier lake as an example for analysis of the dam-break floods evolution in downstream river course and the velocity changes at different sites.

最后，本文以易贡堰塞湖溃坝为实例，分析了溃坝洪水在下游弯曲河道的演进过程及不同位置的流速变化。

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five volcanic eruptions and the blocking of the rivers by the lava led to the formation of lake jingbo, which is one of the few alpine barrier lakes in the world.

镜泊湖是历经五次火山爆发，由熔岩阻塞河流形成的高山堰塞湖，是世界上少有的高山湖泊。

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so far, no secondary disasters, such as landslides and barrier lakes, have been reported, though land resources staff are still monitoring in case of any possibilities.

目前为止还没有报道称当地发生了山体滑坡或堰塞湖等次生灾害，然而土地资源局的工作人员仍然在进行监控以防次生灾害的发生。

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we will intensify efforts to prevent and control geological disasters and restore the ecosystem, and do a good job reinforcing affected levees and reservoirs and draining quake lakes.

加强地质灾害防治和生态修复，搞好受损堤防、水库的除险加固和堰塞湖治理。

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in161 bc, the waters of the barrier lake overflowed south to the old qian river, forming large marshes in yangpingguan valley to the north of mt longmen.

至前161年，堰塞湖水南向溢流而夺古潜水河道下泄，又在龙门山以北的阳平关谷地形成新的“大泽”。

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the study finds that an early spring melt would bring more water into the watershed sooner than usual, potentially flooding rivers, lakes and artificially dammed-river reservoirs.

研究发现，较早的春融通常会更早地将更多水带入诸如潜在涨水河流，湖泊以及人工堰塞湖之类的集水区。

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if the barrier dam formed by collapse or landslide can keep stable for long-term, its upstream barrier lake would accumulate lake deposits in a certain scale.

如果岸坡崩塌或滑坡堵江形成的堰塞坝能够保持较长时间的稳定，其上游的堰塞湖内就会堆积一定规模的堰塞湖沉积。

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concerns about flooding from rivers which had been blocked by landslides appeared to ease yesterday after trapped water was drained from three different areas, officials said.

中国官员昨日称，在对三个地区的堰塞湖（山体滑坡所隔断的河流）进行泄洪之后，水灾风险似乎有所降低。

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under this circumstance, blasting for excavating a water discharging gap on the body of the landslide dam became an effective method for the excavation.

采用爆破方式炸开缺口泄流就成了这一类堰塞湖应急排险的有效手段。

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