difficulty focusing是什么意思_difficulty focusing中文

difficulty focusing中文什么意思

difficulty: n. 1.困难；难事，难局，逆境；障碍。 2.异议；争论 ...
focus: n. (pl. focuses, foci ) 1.【物 ...
be in difficulty: 有困难
difficulty: n. 1.困难；难事，难局，逆境；障碍。 2.异议；争论，纠葛。 3.〔常 pl.〕财政困难，(经济)拮据。 be in difficulties 财政困难，经济拮据。 make a difficulty 不同意，反对。 make [raise] difficulties 刁难。 make no difficulty in (granting the request) 立即同意[应允]。 tide over difficulties 渡过难关。 with difficulty 好容易才，千辛万苦才。 without difficulty 容容易易就…，轻易。
in difficulty: 处境困难; 困难处境

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His eyes were so tired that he had difficulty focusing them
他的眼睛累了,调节焦距困难。
This is the most popular and hard topic for multinational company , the same its researching difficulties focused on exchange rate predicting and exchange rate risks managing
四、汇率风险预测、管理分析。汇率风险的管理是本文的研究重点，也是跨国公司理财风险管理中难度最大、最普遍的问题。
All of the difficulties focus on the contradiction between mass algorithm and realtime processing . my task is to design a high performance signal processing platform in order to solve it
这些要求基本上体现在大运算量和实时性这一对矛盾的解决上。本课题正是为解决这一矛盾而做的一个通用数字信号处理平台。
Symptoms of eyestrain include sore eyes and difficulty focusing , poor night vision , difficulty in focusing after concentrating on an object , headaches and sore , red inflamed and weeping eyes
眼睛疲劳的症状包括如下：眼睛疼痛，难于集中，夜视非常差，在注视一个物体后重新集中视线很困难，头痛，眼睛发红、疼痛、感染、流泪。

difficulty focusing中文什么意思