查询词典 asymptotic expansion

Results show that compared with conventional thermostatic expansion valves, electronic expansion valves a...

自行开发的电子膨胀阀和控制器，性能价格比高，与国外同类产品相比，实际的控制效果也有较明显的提高

They do not enable the expansion of the tilde character,~.they do not enable the expansion of the tilde character,~.

你可以使用 os.path.expanduser 函数来完成这个，传递一个带波浪号的目录，然后它会返回对应的绝对路径。

The main product is: Metallic bellows expansion joint, Fabric expansion joint, metal hose, spring hunger and pipe support, air and gas duct pipe part, pulverized coal pipe part, some pressure vessel, and so on. We have seven workshops for different process, more than 300 sets of manufacturing and testing devices. We hope through cooperating with our clients, improving our management, all our staff's hard working, make JME and JPE one of the top-rank manufacturing and serving enterprises in the field, and create more values for customers.

主要产品有：波纹补偿器、金属和非金属软管、弹簧支吊架、碟簧支吊架、支座装置、烟风煤粉管道零部件、压力容器、全厂下设七个生产车间，拥有300多台生产和检测设备，我们决心通过和客户的精诚合作，通过自身管理的不断加强，通过全体员工的共同努力，把金山打造成一流的"生产、服务型公司"，为客户创造更多的价值！

The experimental results showed that the trinary of additive flame - retardant was needed to be used together to produce ideal self-extinguishing high expansion PE products while the performances of high expansion PE were unchanged.

研究结果表明：只有对添加型阻燃剂三元并用，方能不降低高发泡聚乙烯的物性，制得较为理想的高发泡聚乙烯自熄型制品。

Experimental results indicate that for the polystyrene particle with a larger size, Umf changes with p-0.3, and for the sand particle with a smaller size, Umf changes with p-0.21. An empirical equation about Umf is proposed based on the experimental data: Umf=μdp ρg｛［(34.15)2+0.05916×dp3 ρggμ2］12-34.15｝ It is found that the bed expansion height increases with the increasing of gas velocity, and increases with pressure for fixed value of UUmf, when the pressure exceeds 0.7MPa, the influence of pressure on the bed expansion height is weakened.

研究结果表明，大粒径聚苯乙烯颗粒的Umf与p-0.3成比例，小粒径石英砂的Umf与p-0.21成比例，并根据实验值拟合出压力下最小流化速度公式为： Umf=μdp ρg｛［(34.15)2+0.05916×dp3 ρggμ2］12-34.15｝床层膨胀高度随气速的增大而不断增高，在相同UUmf下床层膨胀高度随压力的增大而增高，在大于0.7MPa时，压力对膨胀高度的影响减弱。

Low expansion resin is, prevents from casting defects, especially veining and hot tear caused from thermal expansion.

低膨胀树脂对解决铸造缺陷，特别是对毛刺、热裂尤为有效。

While the expansion of different fiber is different, usually at, its fiber diameter 30%, thelengths veinpuncture in crack,the in the direction of only 2%, so the business card printing and membership card manufacturing process of judging grain's vertical expansion of smaller, to landscape of 1/2 to 1/3 on the left and right, overprinter precision.

而不同纤维的膨胀情况不同，通常纤维膨胀时，其直径增大30%，而长度方向仅增大1～2%，因此制卡和会员卡制作过程中顺丝绺的纵向伸缩量较小，为横向的1/2～1/3左右，对套印精度影响不大。

The results show as follows: Autogenous volume deformation of MgO concrete is closely relative to mix proportions, high water content will accelerate hydration of MgO, thus increases expansion of concrete; the addition of fly ash will suppress the expansion of concrete.

内含氧化镁水泥混凝土自生体积变形与配合比参数有关，较大水胶比有利于氧化镁的较快水化，粉煤灰对混凝土变形有抑制作用，内含氧化镁水泥适用于强度等级较低的重力坝混凝土。

In order to reveal the spatial disciplinarian and the driving mechanism of urban land expansion, this paper applies the integrated method of remote sensing and geographic information systems to examine the dynamic changes, spatial patterns, traffic locations, barycenter migrations, allometric growth and driving mechanism of urban land expansion in Beijing.

为了揭示北京市城市用地扩张与城市化的空间推进规律及其驱动机理，本文采用RS和GIS综合集成的研究方法，探讨了北京市城市用地空间扩张的动态变化特征、交通区位特征、重心迁移特征和异速增长特征，并对城市空间扩张的机理进行了分析。

The Volterra series expansion has altitudinal nonlinearly ,most nonlinear system can be expressed by the Volterra series expansion.

而Volterra级数展开式具有高度非线性，大量的非线性系统可以由Volterra级数表征。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。