Yes, you can control the range of focus from any given subject distance, but just controlling the f-stop won't usually turn a crystal-sharp background into a dreamy-soft background.
是的，你可以控制任何距离特定主题的范围从重点，只是控制光圈通常不会把一个梦幻般的柔软背景的水晶般锋利的背景成。
Another characteristic of a good distance learning program is the equivalence of the distance learning course with the same subject materials as those students taking the course on the home campus.
一个好的远程教育课程的另一个特点是，远程教育课程使用的学科教材，与那些在学校学习课程的学生使用的，是一样的。
Canon's E-TTL II even measures the distance to the main subject and that also becomes part of the evaluation taking place.
佳能的E -TTLII甚至可以测出相机和主要被摄对象间的距离并将此作为测光的考虑因素之一。
One can try focusing on point light sources at a similar distance to the subject of interest.
你可以尝试对焦在与中心物体距离相近的任何一个光源上。
When photographing a subject at medium to far distance it can often appear flat , especially if you have zoomed in to fill the frame with the object.
当拍摄一个中等者较远距离的物体时，尤其当你为了拍摄那个物体而把焦距拉的很近的时候，拍出的照片常常显得格外的单调，乏味。
The post-modern culture advocates the thoughts of no center, no subject, no distance, uncertainty, fragmentation and irrational thought.
后现代语境中的文化，主张无中心、无主体、无距离、不确定性、碎片化和非理性等思想。
This is, of course, the mechanism by which many things are accomplished, which are not subject to your present means of physical analysis of action at a distance.
当然，这个机制也是许多事件完成的关键，虽然你们目前对于远距离作用的物理分析还没有包括这个领域。
Constructing the Learning Support Service System under the modern distance education environment is an important subject to improve the teaching quality of the distance education.
构建基于现代远程环境下的学习支持服务系统，提高远程教育教学质量，是结合时代提出的重要课题。
In the latter case, infrared light is usually used to triangulate the distance to the subject.
在后一种情况下，红外光，通常采用三角距离的主题。
The fuzzy favorite of decision participant is expressed by means of subject function, and the decision-making is studied according to the space distance of fuzzy favorite relations.
利用隶属函数来表达决策参与者的模糊偏好，将个人偏好集成为群偏好，根据模糊偏好关系空间距离来研究决策制定。
Focusing on the subject of "modern distance education quality assurance in RTVU", this dissertation is divided into six parts.
本论文围绕“电大现代远程教育质量保证”这一总论题分六个部分展开研究。
Construction of the Learning Support Services System under the Satellite Broad Band environment is an important subject to improve the teaching quality of the Distance Education.
构建基于卫星宽带远程环境的学习支持服务系统，提高远程教育教学质量，是结合时代提出的重要课题。
The Flare Gun is one of the few weapons not subject to distance indexed damage falloff or ramp up.
信号枪是为一少数攻击力不因为距离而上升或下降的武器。
The positive functions include filling the distance between subject and object, producing the signification of cultural products, and satisfaction of recipients' spiritual needs.
正功能包括消弥接受主客的距离、生成接受客体意义、满足接受主体精神需求。
He integrated his doubt of language into his writings, which used a language that negates language per se, kept some distance away from the subject, and avoided direct subjective involvement.
他把语言怀疑观融入其创作中，使用一种对语言本身进行否定的语言，与主题保持一定距离，避免直接的主观涉入。
The second life can be seen only from the distance of time: when the original subject of the photograph dissolves, and the image itself reveals the cultural world from which it came.
第二种可能就是在若干年后重新观赏，被拍摄的对象已经消融在历史中，图像本身却揭示了一个曾经存在的文化世界。
The fuzzy favorite of decision participant is expressed by means of subject function, and the decision-making is studied according to the space distance of fuzzy favorite relations. Hereby, a...
利用隶属函数来表达决策参与者的模糊偏好，将个人偏好集成为群偏好，根据模糊偏好关系空间距离来研究决策制定。
The cost of packing is subject to packing manners, transportation distance and price terms.
产品包装费用受产品包装方式、运输距离、价格条款等因素的制约。
This is highly dependent on the reflectivity of the material, in addition to its distance from the subject.
这是个高度依赖的反射率的物质，除了距离这个主题。
With the data of control experiment, aboveground, underground and total competition (TC) indexes were made with its biomass of subject tree and its competitors and the distance between them.
植物间竞争是空间上一种连续过程，包括对地上光资源的竞争和对地下水养资源的竞争。
On the one hand, the progress can enhance people's understanding on a subject, improve people's learning capair coolingity and skills, shrink the distance between cities and even continents;
一方面科技的进步提高了人们对事物的认识，提高了人们的学习能力和技能，缩短了城市和城市之间，以至各大洲之间的距离。
On the one hand, the progress can enhance people's understanding on a subject, improve people's learning capair coolingity and skills, shrink the distance between cities and even continents;
一方面科技的进步提高了人们对事物的认识，提高了人们的学习能力和技能，缩短了城市和城市之间，以至各大洲之间的距离。
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