You can also use import to introduce other non-constant members as well. For example, consider a math utility library (of questionable value perhaps, but still...) in Listing 6.
也可以使用import来引入其他非常量的成员。
Through constant research and study, the company has won four Utility Model Patent and produced twelve key products.
经过不断探索研究，公司荣获国家实用新型专利四项，重点新产品12项。
Other characteristics, such as frequency, wave shape, and phase balance are seldom recognized by the consumers but are given constant attention by the electric power utility engineers.
而其它方面的特性，如频率、电压波形、各相平衡则很少被用户认识到，但这恰恰受到电力部门工程师们的时刻关注。
The utility model relates to a mixer used for mixing diesel oil, water and emulsifier, composed of a constant pressure chamber, a choke, a nozzle, multilevel mixing chambers, an oil pipeline, etc.
一种用于柴油、水、乳化剂相混合的混合器，它是由恒压室、喉管、喷嘴、多级混合室以及输油管道等组成。
The utility model has the advantages of wide current-adjusting range, constant output voltage, easy firing and conservation of energy.
优点是调流范围宽，输出电压恒定，起火容易，节能。
The utility model relates to an electronic hot-water bag used for heating in winter and constant temperature heating when the power is switched on, belonging to the practical electronic products.
一种用于通电恒温加热，冬季取暖的电子热水袋，属于实用电子产品类。
The technological scheme of the utility model: the device consists of three parts: a preheating pan of constant temperature oil, a vacuum electric frying pan and a vacuum air extractor.
本实用新型的技术方案：该设备由三个部分组成，恒温油预热锅、真空电炸锅、真空抽气机。
The utility model relates to an electromechanical integrated detector of digital processing for detecting a dissociation constant of weak electrolyte.
本实用新型涉及一种测定弱电解质解离常数数字化处理的机电一体化测定仪。
The electric constant force hinge of the utility model has convenient operation and low cost.
本 实用新型的电动恒力铰链操作方便、成本低廉。
The utility model provides a constant magnetic field spoon shape bone-setting board used for the internal fixation of fracture of the area of the metaphysis of four limbs.
本实用新型提供了一种用四肢干骺端区域骨折内固定的恒磁场匙状接骨板。
The utility model relates to a constant temperature cup which belongs to the technical field of temperature control.
本实用新型涉及一种属于温度控制技术领域的恒温杯。
The utility model has the characteristics of low energy consumption, no temperature rising, convenient operation, long service life and compatibility of constant opening and constant closing.
本实用新型具有能耗低、无温升、使用方便、寿命长、常开常闭兼容一体的特点。
The utility model has advantages of constant pressure valve opening, no leakage and no error spraying, comparing to prior art.
本实用新型与已有技术相比具有定压开阀喷放，无泄漏，不误喷的优点。
The utility model relates to a constant pressure deflation valve.
本实用新型涉及一种定压放气阀。
The utility model comprises a workbench, a first and a second fixing seats, a transmission mechanism of constant speed, the output shaft and a top fixing workpiece unit.
定速转动单元包括呈转动穿于第一、二固定座并由动力传动单元驱动的转动内杆；其特征在于所述的转动内杆与输出之间设有皮带变速轮单元及调整单元；
The utility model comprises a workbench, a first and a second fixing seats, a transmission mechanism of constant speed, the output shaft and a top fixing workpiece unit.
定速转动单元包括呈转动穿于第一、二固定座并由动力传动单元驱动的转动内杆；其特征在于所述的转动内杆与输出之间设有皮带变速轮单元及调整单元；
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