压力不足

In view of poor researches on stress characteristics of soil and lining in the loess highway tunnel, the paper analyses the performances of stress and deformation of soil and lining structure, the process of runnel construction, and water infiltration influences, and makes field observation of stress features of lining structure and theory research of surrounding rock pressure.

鉴于黄土公路隧道土体及衬砌力学特性研究不足的状况，论文针对黄土公路隧道工程进行了土体和衬砌结构受力与变形性状分析、隧道施工过程和浸水影响数值分析、衬砌结构力学特性现场测试和围岩压力理论研究。

The major criticism of the SCAP test is that it wasn t stressful enough.

压力测试最受诟病的一点是力度不足。

This year, my team has been stressed out and shorthanded a LOT!

今年，我们小组就出现了压力大、人手又不足的状况。

A ton of things need to be thought of when one person is out of the office unexpectedly, and even more things when you're shorthanded and stressed out.

有人突然离职的时候，会有一大堆事情需要考虑，尤其是在人手不足、压力又大的情况下，需要考虑的事情更多。

Human skin is soft, moistening and smooth when people are young, however, with influence of internal and external factors including increase of age, change of season, excessive solarization, not enough sleep, irregular food intaking, working pressure and environmental pollution, etc, some people will have skin problems such as patch, wrinkle, pox, sensitivity, blood streak, etc. which is often accompanied by phenomena of epidermis damage, function decline, worse skin quality such as redness, swelling, pain, itch, dryness, desquamation, etc.

人的皮肤在年糼的时候都是柔润光滑的，但随着年龄的增长，季节变换，过度日晒，睡眠不足，饮食不调，工作压力及环境污染等内外因素的影响，有的就会出现斑、皱、痘、敏、红血丝等皮肤问题，并常伴随红、肿、痛、痒、干、脱屑等表皮受损，机能衰退、肤质变差等现象。

The main stressor among the university faculties is not having enough autonomy and independence in work.

教职员工的主要压力源在于其工作的自主性不足，他们没有足够的工作自由度和独立性。

The biggest causes that disabled teachers to put environmental behaviors into practice were the deficiency of teacher's ability, the heavy load of teaching, and some other factors from school.

致使教师的环保行为无法落实的最大原因为教师本身能力不足、教学压力沉重及学校的外在环境因素的负面影响。

For the insufficient of drilling parameters of resources exploration drilling rig in real-time display, an online parameter monitoring system for the drilling depth, drilling speed, drilling power, rotational speed, lifting/drilling force, torsional moment, compressor air quantity, and compressor pressure of the driller based on single chip-microcomputer MSP430 was designed and realized.

针对目前国内资源勘探钻机的钻进参数在实时显示等方面的不足，设计并实现了一套基于MSP430单片机的集钻机的钻进深度、钻进速度、钻进功率、转速、提升/钻进力、扭矩、空压机风量和空气压力等参数的检测系统。

The use of temperature control through the transformation of the main pressure control for variable frequency control Shop for closed-loop motor pumps, water pumps, electric power saving rate of the average at more than 30%; 90KW chilled water pump motor current by adjusting the valve at the changes between the 163-148A, the average section less than 6% of electricity by the transformation of the closed-loop control of VVVF, the saving rate is more than 30%.

通过改造采用温度控制为主，压力控制为铺进行闭环变频控制水泵电机，水泵电机平均节电率都在30％以上；90KW冷冻水泵电机靠调节阀门电流在163—148A之间变化，平均节电不足6％，经闭环控制变频调速改造后，节电率平均也在30％以上。

The marketing channels have been diversified which solved the problem of undersupply. But now the electric power industry is facing oversupply problem and even in some areas, power can't find enough market.

办电渠道日趋多元化，过去发电不足的矛盾在一定程度上得到了很大的改善，电力也面临着供过于求的压力，在局部地区卖电也逐渐变得困难。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。