最后，指出了当前主动嗅觉研究的主要难点。
The difficulties of active olfaction are pointed, out at the end.
地面效应是汽车空气动力学研究的主要难点之一。
The ground effect is one of the main difficulties in road vehicle aerodynamics.
社区的主要难点之一是查找正确信息需要花费大量的时间和精力。
One of the main pain points that communities had was the time and effort spent in finding the right information.
普通话口语表达的“说话”是训练和测试的主要难点。
"Speaking" is the difficult part both in training and in testing of Putonghua fluency.
热带气旋突变的成因和预报是当前气象学中的主要难点之一。
Forecasting and explaining the sudden changes of tropical cyclones is one of the most difficult problems in the present meteorology.
双基SAR成像的主要难点在于解析的点目标二维频谱的求取。
The difficulty in the derivation of bistatic SAR imaging algorithms lies in the bistatic point target reference spectrum, particularly in the analytic forms.
松软臌胀岩层的井下巷道支护是目前矿山建设中的一个主要难点。
Underground tunnel support of soft expansion rock is a main difficulty in mine construction currently.
因此，大使馆的主要难点是如何为特定的服务请求动态选择最经济合算的服务。
So the main pain point of the embassies is how to choose the most cost-effective service dynamically for a particular service request.
其主要难点在于，必须实现沿复杂的展开图上所有的画线同时弯曲。
The main difficulty is that the bending must be carried out along all lines of complex-shaped marking-out at a time.
水电工程竖井特别是高竖井开挖，主要难点体现在竖井导井开挖的速度上。
The excavation speed of pilot shaft is one of the key difficulties for the excavation of shaft, high ones in special, of hydropower works.
VOD教学系统中各媒体流同步和VOD服务器群是设计和实现的主要难点。
The major difficulties in VOD teaching system lie in the synchronization of media and VOD servers.
测试信息不完备、测量噪声等因素是制约结构损伤识别方法应用的主要难点。
Some factors, such as incomplete measurements, measurement noise, are main difficulties confronted in damage identification method for application.
分析了外贸英语教学过程中出现的主要难点，并提出了相应有效的教学对策。
This paper analyses some major difficult points in foreign trade English teaching and put forward some efficient countermeasures as well as some specific teaching methods.
用数据库加密方法实现数据库的安全保密时，密钥的分配和管理是主要难点之一。
When database encryption is used as a machanism for database security and privacy, one of the main problems is the distribution and management of cryptographic keys.
地应力问题是南缘地区钻井的主要难点，也是钻井过程中井下复杂的根本原因之一。
The crustal stress problem is major difficulty during drilling at the south area of the Base and is the fundamental reasons of the complicated downhole condition during drilling .
模型误差、量测噪声及量测数据不完整等因素是制约结构损伤识别技术应用的主要难点。
Some factors, such as modeling error, measured noises, incomplete measured data, are main difficulties for many structural damage processes being utilized.
不良债权价值分析和评估是不良债权定价的基础，也是不良债权处置的主要难点和风险点。
The analysis and evaluation of non - performing loans ( NPLs) are the premise of the pricing of NPLs as well as the main difficulty and risk source of NPL disposition.
视觉一致性包含几何一致性、运动一致性和光效一致性，是增强现实技术所面临的主要难点。
Vision consistency, which has always been the difficulty that augmented reality is facing, includes geometry consistency, motion consistency, and light effect consistency.
介绍数控曲轴旋转感应淬火机床控制系统的软、硬件组成和系统设计中主要难点问题的解决方法。
The paper introduces the software and hardware of control system of NC rotary inductance quenching machine for crankshaft and solving process for main problems in generating gear with system design.
逻辑环维护算法的效率是影响网络实时性的重要因素，也是令牌总线局域网络投入实用的主要难点。
The effective maintenance algorithm for logical ring plays an important role in keeping the network real -time. The complexity of algorithm is the main barrier of implementing the token bus LAN.
着重讨论了实现干切削的主要难点、干切削技术对机床的设计要求，以及机床实现干切削的辅助方法。
Argument the drying cutting mainly difficulty, the design specification to dry cutting machine tool, and the back method of machine tool realizes drying cutting.
在将大涡模拟(LES)应用到工程实际时，面临着两个主要难点：LES对格式要求高和计算量大。
On applying large eddy simulation (LES) to practical interest, the main difficulties were high requirement of numerical schemes and huge computational cost.
护理人员使用心理卫生评定量表的主要范围是健康教育和评估病人，主要难点为缺乏相关资料和知识。
The main range of mental healthy assessment scale by nurses was in healthy education and patients estimation and the main difficulties in lack of relative knowledge and data.
半色调图像数字水印研讨的主要难点是如何在保证嵌入水印健壮性的前提下绝可能地保证宿主图像的视觉后果。
The main problem to research halftone digital watermarking is how to ensures the robust of watermark and the vision of halftone images at the same time.
生成高质量的流场计算网格，对于提高汽车外部流场仿真的效率和精度具有重要意义，是汽车外部流场仿真计算的主要难点之一。
Grid generation is one of main difficulties in flow simulation around a car and is important for improving efficiency and precision of simulation.
然后针对永磁直线同步电机控制系统的主要难点，分为位置检测技术，硬件系统设计和软件系统设计三个方面对控制系统进行分析。
Then position detection technology, hardware and software system design is discussed. The initial position of the motor is a main problem for control of PMLSM.
文章提炼了预算管理中的四个主要难点问题进行分析，包括预算编制起点的选择，预算差异分析，预算松弛和预算考评，并提出相应的对策及建议。
The paper analyzes the 4 main difficulties of CBM, i. e. , the selection of jumping-off point, difference analysis, slack and evaluation, and puts forward the relevant countermeasures and suggestions.
这是谈判中主要的难点之一。
This was one of the major sticking points in the negotiations.
我相信你们都会认同难点主要来自多重否定的使用——“将不会”、“除非”和“不会”。
I think you'll agree that the difficulty is mainly due to the use of multiple negatives - "shall not", "unless" and "does not".
我相信你们都会认同难点主要来自多重否定的使用——“将不会”、“除非”和“不会”。
I think you'll agree that the difficulty is mainly due to the use of multiple negatives - "shall not", "unless" and "does not".
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