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- Experiments for measuring thermal focus length, give accordance with the calculation basically. 设计实验测量了钕玻璃棒的热焦距,测量结果与理论计算值基本吻合;
- With the increases of the numbers of pumping pulses, the thermal focus length deceases. 随着抽运脉冲个数的增加,热透镜效应随之变大。
- Under the study on rod Nd-glasses heat-capacity laser thermal lensing,the general expressions of the thermal focus length are derived. 针对热容激光器的热透镜效应,给出了棒状钕玻璃热容激光器的热透镜公式表达式。
- 2)Analyze the transmission spectrum and measure the thermal focus length of Nd:YAG rod. 2)介绍了Nd:YAG的输出波长特性及其热焦距特性;
- dynamic thermal focus length 动态热焦距
- thermal focus length 热焦距
- In experiment, the pulse width and stability of SBS pumped by a KrF laser were investigated. The functions of SBS pulse width and stability versus pressure of medium, pump power and focus length are obtained. 实验上,用KrF激光抽运SF_6介质,研究获得了SBS脉宽和稳定度随抽运能量、介质气压、透镜焦距的变化规律,并与理论模拟进行了比较分析,二者基本符合。
- Through calculating ultrasonic phased array probe position and choosing the detecting parameter such as beam angle, focal distance, focus size and focus length and so on to calibrate the instrument. 通过对超声探头位置的准确计算,以及对超声相控阵的声束角度、焦距位置、焦点尺寸及位置等参数的选择来进行仪器标定。
- He was too shortsighted to focus on the object. 他由于近视过深而无法把视力焦点对准在该物体上。
- Measurement for the Long Focus Length of Lens by Images of Moire Fringes 利用莫尔条纹的计算机图象测量长焦距透镜焦距
- He always wants to be the focus of attention. 他总想成为注意力的焦点。
- You should focus your attention on your work. 你应该把注意力放到工作上。
- The focus on my camera isn't working properly. 我的照相机上的调焦装置有毛病。
- A term sometimes applied to a stylus in a thermal matrix printer. 有时用来指热敏点阵打印机的触针的一个术语。
- In tonight's programme our focus is on Germany. 在今天晚上的节目中我们重点介绍德国。
- For me, your explanation is a bit out of focus. 对我来说,你的解释还不太清楚。
- A defect of focus, such as blurring in an image. 像差焦点不准确而造成的物像模糊
- She always wants to be the focus of attention. 她老想成为人们注意的中心。
- Her beauty makes her the focus of attention. 她长得漂亮,很惹人注目。
- I got her in focus before I took the photo. 我在拍摄前先用镜头把她对清楚。