查询词典 low-level

While the most important characteristics of the electrometer voltmeter operational amplifier are low input offset current and high input impedance, the most important requirement for the nanovoltmeter input preamplifier is low input noise voltage.

静电计电压表使用的运算放大器，最重要的特性是低输入偏置电流和高输入阻抗。纳伏表输入前置放大器的最重要的要求，则是低输入噪声电压。

The signal amplifier should have features like low noise signal, zero drift, high precision, wide frequency band, high input resistance, and low output resistance.

信号放大器应该有特点，例如低噪声信号，零点漂移小，精度高，宽的频带，高输入电阻，低输出电阻。

Direction down the runway with the main category I precision approach instrument landing system, the protection of aircraft in low clouds, low visibility weather conditions, such as the complexity of security movements.

在跑道主降方向设有I类精密进近仪表着陆系统，保障飞机能在低云、低能见度等复杂天气条件下安全起降。

The construction of elementary and middle schools" teacher troop in rural places exists problems which mainly display in the short of population, the overweight of teachers"bear, the low quality of teachers overall, the somewhat low economic status of teachers, substitute teachers stil exist to exist and the insufficience of science and democracy of teachers control system. According to the extant problems, through ?

这些地方农村中小学教师队伍建设中存在的问题主要表现在教师人数短缺、教师负担过重、教师整体素质不高、教师经济地位偏低、代课教师继续存在以及对教师的管理制度不够科学不够民主等方面。

By taking cotton fiber in high yield cotton field of north Xinjiang as the object, the niche-fitness theory were introduced, through analysis the niche-fitness of cotton fiber in three mono-topping and multi-topping intercrop system treatment, the result showed, it is acceptable that evaluate cotton fiber quality by niche-fitness, the niche-fitness value of cotton fiber at the middle part of the cotton plant is the biggest that topping inJul.10th and Jul.25th in this three treatment, moreover, with the increase of topping times, compare with it's top part of cotton plant, the niche-fitness of cotton fiber at the low part of cotton plant have a raise tendency, the niche-fitness value of top and low part of cotton plant in multi-topping treatment is bigger than what of mono-topping.

以北疆高产棉田棉纤维作为研究对象，引入生态位适宜度理论，对三个打顶次数不同的处理的棉花群体棉纤维生态位适宜度进行分析研究，结果表明：用生态位适宜度来评价棉纤维品质是切实可行的，三个打顶处理中7月10日和7月25日打顶棉株棉纤维生态位适宜度均为中部最高，并且随着棉花群体打顶次数的增加，其下部棉纤维生态位适宜度较上部有逐渐增高的趋势，与一次打顶相比较，其二、三次打顶棉株上、下部棉纤维生态位适宜度均升高。

It is suggested that the super low interfacial tension can be obtained with a low concentration of the surfactants by selection of a proper combination system of surfactants.

研究了三元复合驱的技术特点，指出选择合适的表面活性剂复合体系可在低表面活性剂浓度下，获得超低界面张力。

By improving and rebuilding the previous mid-latitude model, we extend the model to high latitude and low latitude, respectively. The extension to high latitude mainly includes the effects of convection electric field and particle precipitation. The low-latitude extension primarily takes account of the configuration of magnetic field and interhemispheric coupling.

在对原有中纬电离层模型改造和重建的基础上，将该模型分别向高纬和低纬扩展，模型向高纬的扩展主要考虑了对流电场和粒子沉降的影响，模型向低纬扩展主要考虑了磁场位形、共轭半球的影响。

The results showed that, there were severe problems of low impact energy and low retained dose in interior surface PⅢ of cylindrical bore.

导致内表面注入剂量和注入能量偏低的根本原因在于筒内鞘层的扩展特性和交叉重叠。

In Sulige gas field, due to low permeability, low productivity and severe production decline, intermittent production began soon after production.

苏里格气田低渗、低产、低效气井压力下降快，产量递减幅度大，稳产阶段短，恢复程度低，为保证进入流程，在生产经过一段时间后便改为间歇生产。

McJob is slang for a low-paying, low-prestige job that requires few skills and offers very little chance of intracompany advancement.

McJob 指那些在服务行业中低收入的工作。这些工作往往需要很少的技能条件，也很少有晋升机会。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。