1.
Causes of Monty Hall Dilemma s Difficulty;
Monty Hall Dilemma的困难原因探讨
2.
The Source of Difficulties in THOG and the Facilitation Effects;
THOG问题困难原因初探及促进效应
3.
A Review of Researches ON the Bottlenecks to Solve the THOG Problem;
关于解决THOG问题困难原因的研究综述
4.
Study on the Causes and Countermeasures to the Difficulty in Farmer s Newspaper;
国内农民报发展困难原因分析和对策研究
5.
A Study on the Reason for Preschool Children s Difficulties with the Windows Task;
学前儿童在窗口任务中困难原因的研究
6.
The Experimental Study on the Source of Difficulties in MHD and the Facilitation Effects;
MHD问题困难原因及促进效应的实验研究
7.
a cause of difficulty and suffering.
招致苦恼困难的原因。
8.
A cause of privation or suffering.
造成困苦与苦难的原因
9.
The Analysis of Academic Difficulties of Poverty-stricken College Students;
高校部分特困生学习困难的原因及对策
10.
The teacher diagnosed the boy's reading difficulties.
老师找出那孩子阅读上困难的原因。
11.
Analysis of dysuria and urinary retention after transurethral prostatectomy;
TURP术后排尿困难或尿潴留原因分析
12.
Cause of Learning Difficulties of Freshmen and Countermeasures;
大学新生学习困难的原因及对策研究
13.
Analysis of the Difficulties in Learning Limit Concept and the Teaching Strategy;
极限概念学习困难的原因及教学策略
14.
The Problems in English Study of New College Students and the Strategies Against Them;
大学新生学习英语困难的原因及对策
15.
For some reason Hall is finding it difficult to hold down a job.
由于某种原因，霍尔发现要保住工作是困难的。
16.
The Causation of Difficulties in Mechanical Energy Teaching: A Multidimensional Study;
机械能教学困难的原因：一个多角度的考察
17.
A Study on Difficulties and Systematic Reasons of Public Finance of County Government in Shandong Province;
山东省县乡财政困难及其体制性原因研究
18.
The Study of the Cause and Solving Methods of Senior School Students Difficulties in Learning Physics;
对高中生物理学习困难产生原因与对策的探讨