The results of study on the land capability decline of continuous cropping of Larix and Cunninghamia lanceolata showed that the imbalance of bio_cycle and improper cultivation technology were the main causes of land capability decline of plantation.
人工林地力衰退主要表现为土壤剖面逆向发育 ,土壤理化性质变差 ,有机质和养分状况恶化 ,人工林生产力下降等。
Aim: To explore the effects of three intermittent artificial gravity on simulated weightlessness rats.
目的 :比较三种间断性人工重力对抗措施对模拟失重大鼠的影响。
Then,an overview of the physiological effects and requirements for the two types of artificial gravity (AG),i.
本文首先对现用以运动为主对抗措施的局限性以及将来可能采用以人工重力为主对抗措施的科学依据进行了阐述。
A dynamical formation control approach based on artificial moments
一种基于人工力矩的动态队形控制方法
artificial gravity spacecraft simulator
人工重力航天模拟器
artificial gravity performance assessment
人造重力条件下工作能力的评定
One who does menial or trivial work;a drudge.
作粗重工作的人一个做体力劳动或不重要工作的人；干重活的人
A man who performs heavy manual or industrial labor.
从事重体力或工业劳动的人
an executive who was pressurized By a heavy workload.
一位承担过重工作压力的行政人员
Strengthenning Humanistic Qualities in Teaching Engineering Mechanics in Vocational College
重视高职《工程力学》中的人文素质教育
Work Analyzing: an important basic work in the administration of personnel resources
工作分析——人力资源管理重要的基础性工作
Pressure Monitoring of Senile Critical Patients Accepted Artificial Airway Gasbag and Nursing Care of Them
老年危重病人人工气道气囊压力监测及护理
Three Dimensional Reconstruction of Femur and Study on Biomechanics of the Artificial Hip Prosthesis;
股骨三维重建与人工髋关节生物力学研究
The Reinventing Human Resource Management Mode of ICBC in the Post-reform Era: A Case Study on the Sichuan Branch of ICBC;
股份制改革后工商银行人力资源管理模式重构
Fulfill the Obligation of Class Supervisor and Train Talents;
高度重视人才培养 努力做好班主任工作
On the Iimportant Role of Ability Cultivation in Colleges and Universities;
论能力培养在高校教书育人工作中的重要作用
Pay much attention to human capital investment and vigorously develope the state-owned industrial enterprises in Guangxi;
重视人力资本投资 振兴广西国有工业企业
Fermentation Kinetics of Producting Recombination Human-like Collagen in Pichia Pastoris
重组类人胶原蛋白基因工程菌发酵动力学
Older employees, though, some of whom had grown soft in their jobs, had a good deal more to worry about.
可是年纪较大的职工，其中有些人已经力不从心，都顾虑重重。
During the industrial age, however, brainpower began to count for more than muscle power.
然而在工业时代，人脑的力量开始比肌肉的力量更为重要。
I'm afraid my uncle's stressful job has turned him into a basket case.
我担心叔父的压力沉重的工作会使他变成一个毫无气力的废人。
The exercitation teaching of electrics and electronics is an important step for the training of talented personnel with the ability of engineering practice.
电工电子实习教学是培养具有工程实践能力人才的一个重要环节。