查询词典 unit of area

The results showed that from 1998 to 2003,the yield per unit area of Chinese angelica has been increasing year by year.

结果表明：从1998~2003年，当归的单位面积产量逐年增加。

Install the unit on the wall 2.2 meters above the ground then adjust the angle of bracket to make the lens aim at the detection area, then insert the power plug to the socket and the LED2 indicator light will flash for each second.

报警器挂在离地面2米的墙上，调整万向节角度，使透镜对准监控场所，将电源插头插入市电插座上，LED2工作指示灯每过1秒钟闪亮一次，报警器延时一分钟后进入工作状态，此时布防后如有人进入警戒区域，步行指示灯(LED1)亮起，报警器发出刺耳的报警声音，响约60秒自动停止，停后约5秒自动进入布防状态。

Atwater at Caltech say they've designed a device* that gets comparable solar absorption while using just one percent of the silicon per unit area that current solar cells need.

说他们设计了一个装置（注1）取得同样的太阳能吸收水平，但每个单元只需要当前太阳能电池1%的硅料。

Ecosystem : An ecosystem is a natural unit consisting of biotic factors and environment functioning together in an area.

生态系统：在一定地域内，生物与环境所形成的统一的整体叫做生态系统。

Physics The amount or degree of strength of electricity, light, heat, or sound per unit area or volume.

强度程度：单位电、光、热或声的强度的量或程度

Party of the First Part : Li Bing, B : I have, the two sides agreed to buy Party of the First Part B Huaiyuan South Oil City market for a five-unit building in the South-an area of about 101.2 square metres, Hop, temporarily to 50,000 yuan (amounts in the preliminary match Han Tara Credit Union loans and I have to hit Qiantiao Party of the Second Part to the touch, the specific amount of the settlement to be short-long retreat, held by the Party of the First Part B 4,000 yuan Qiantiao only about clearing a few, not precise), in the final on December 10 to hand over completed project property procedures.

甲方：李斌，乙方：谢有，经双方商定，乙方购买甲方集宁市怀远南路粮油市场一段一号楼中单元5层南户，面积约101.2平方米，合款暂为5万元（款项初步用赛汉塔拉信用社贷款及本人给乙方所打欠条来抵，具体金额有待双方结算长退短补，乙方所持甲方4000元欠条只是大约结算数，不为精确），最后在12月10日交工办理房产手续。1998年11月24日。

Considering the generator unit's self-exciting, overvoltage of the no-load circuit in course of power transmission, the structure of network and load distribution situation in the area of Heilongjiang, the whole network is divided into four small systems: JingPo Lake, LianHua factory, FuEr factory and HarBin.

结合&黑启动&机组所在区域的电网结构和负荷分布情况，并考虑机组的自励磁问题和送电过程中空载线路的过电压问题，将整个黑龙江电网划分为4 个小系统，即镜泊湖、莲花厂、富二厂和哈尔滨小系统。

According to the climatic features of the Yangtze River Basin and the area south of it develops a complex heat pump unit. Its condenser is composed of finned tubes and smooth tubes in series, characterising both air cooling and evaporative cooling modes.

根据长江流域及其以南地区气候特征，研究开发了复合式热泵机组，机组的冷凝器由翅片管组和光面管组串联组成，兼具风冷冷却和蒸发冷却方式特点。

Pyramid of biomass A type of ecological pyramid based on the total amount of living material at each trophic level in the community, which is normally measured by total dry weight or calorific value per unit area or volume, and shown diagrammatically.

生物量金字塔：指基于群落每个营养水平上有生命的物质总量的一种生态金字塔类型，通常通过总干重或者每单位面积或体积的生热量值来衡量，并用图表表示出来。

Through an analysis of the electromagnetic force on the electric heated rod, the authors work out the equation for calculating the electromagnetic force on unit area of the rod, and indicate that radial vibration of 100Hz will occur when the rod is in operation, which have little effect on the strength and sealing of the rod owing to minor amplitude.

电热杆的交流阻抗远大于导线的电阻，因此主要发热体为抽油杆，可快速有效地加热杆外的原油，而导线不会过热，有利于导线的绝缘与保护。通过对电热杆所受电磁力的分析，推导出了抽油杆内表面单位面积上所受电磁力的计算公式，从而得知电热杆工作时将产生沿径向向外的径向振动，振动频率为100Hz。但由于振幅较小，这种振动不会对抽油杆的强度和密封产生明显的不利影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。