The present progress of theory research in optical passive devices was described in this paper.

本文综述了近年来光无源器件理论研究的进展。

youdao

Then help your child look at her previous work in the folder and compare it to her present progress so she can see his improvements.

然后帮助孩子查看文件夹中她以前的作品，与她现在的进步进行比较，让她看到她的改进。

youdao

It was demonstrated that the present progress of equipments which were well suited for demands of manufacture bi-component fiber products.

阐述了适合双组分纤维产品生产的设备的新进展。

youdao

At the core of it is a belief in progress, something that was essentially not present among the Greeks.

其核心就是对于进步的信仰,实质上说这在希腊文化中是不存在的

耶鲁公开课 - 古希腊历史简介课程节选

The inspectors are due to present a progress report on the search to the Security Council on January 27th.

ECONOMIST: No more games

Hans Blix, the chief inspector, will join with Mr ElBaradei on January 27th to present a progress report to the Security Council.

ECONOMIST: Divided over war | The

The counter-measures it recommends, such as hand-washing, appear to present only an isolated obstacle to the perilous progress of the disease.

BBC: Pandemic flu advert revealed by Department of Health