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- graded density impactor 密度梯度飞片
- Sensitivity guide: strip of film with graded density used to control exposure and develoment of film or plate. 感光导表:有着分级密度的菲林条子;用来控制菲林或印版的曝光或显影时间。
- Sensitivity guide A strip of film with graded density used to control exposure and develoment of film or plate. See Grey scale. Step wedge. 感光导表有着分级密度的菲林条子;用来控制菲林或印版的曝光或显影时间。参阅灰尺,梯尺。
- PREPARATION OF A KIND OF FLIER-PLATE MATERIAL WITH GRADED DENSITY 一种具有密度梯度的飞片材料的制备
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- A student who gets 90% is graded A. 凡得90分的学生列为甲等。
- Business is now on the up grade. 目前生意蒸蒸日上。
- The term papers have been graded. 期末考卷已评完分数了。
- Pupils with 90% or more are awarded Grade A. 满90分的学生评为甲等。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- The sixth grade saw an educational film yesterday. 六年级学生昨天看了一部教育片。
- He received a failing grade on the term paper. 他的期末报告不及格。
- Red and yellow grade into orange. 红与黄混合成橘黄。
- The twins will enter the fourth grade this fall. 这对双胞胎今年秋季将升到四年级。
- Their marriage is on the down grade. 他们的婚姻关系每况愈下。
- The trial flight has made the grade. 试飞成功。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- The naughty boy had to repeat the fifth grade. 这个顽皮的男孩不得不重读五年级。
- He ranks among the best pupils of his grade. 他是他们班级最好的学生之一。
