例句與造句

1. His eyes were so tired that he had difficulty focusing them
   他的眼睛累了,調節焦距困難。
2. 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、匯率風險預測、管理分析。匯率風險的管理是本文的研究重點，也是跨國公司理財風險管理中難度最大、最普遍的問題。
3. 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
   這些要求基本上體現在大運算量和實時性這一對矛盾的解決上。本課題正是為解決這一矛盾而做的一個通用數字信號處理平臺。
4. 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
   眼睛疲勞的癥狀包括如下：眼睛疼痛，難于集中，夜視非常差，在注視一個物體后重新集中視線很困難，頭痛，眼睛發紅、疼痛、感染、流淚。
5. It's difficult to find difficulty focusing in a sentence. 用difficulty focusing造句挺難的