When the two functions are lined up, their respective zero-time positions coincide along the time axis, t is zero, as shown for position 2 in fig. 6-15 c . 当两个函数对齐时,它们各自的零时点(t0)便在时间轴上重合,如图6-15c位置2所示。
Provide zero - timed and zero - spaced working environments 提供零时间、零空间的工作环境。
Study of the measuring methods of zero - time constant for coil - block in transformers 变压器绕组电阻零时间常数测量方法的研究
Zero - time reference 零时间基准
When the two functions are lined up , their respective zero - time positions coincide along the time axis , t is zero , as shown for position 2 in fig . 6 - 15 c 当两个函数对齐时,它们各自的零时点( t 0 )便在时间轴上重合,如图6 - 15c位置2所示。
Wble is composed of hardware environment , resource environment and culture environment . it has such characteristics as environment opening , resources sharing , zero - timed and zero - spaced learning , and mutiple human intercourse 它由硬件环境、资源环境和文化环境三部分构成,具有环境开放、资源共享、零时空学习、人际交往多元化等特征。
Its basic features include such as follows : it comprises the web - based instructional supporting system and the network resource for teaching ; it is an open system ; it allows its resource to be shared freely ; it makes up a zero - timed and zero - spaced learning environments ; it achieves a free exchange between the teachers and the students by means of bi - directional feedback 它的基本特点是:由网络教学资源和网络教学支持系统构成;具有开放性;能够实现资源共享;提供零时间、零空间的学习环境;允许交互式反馈以实现教学互动。
Its basic features include such as follows : ? t comprises the web - based instructional supporting system and the network resource for teaching ; ? t is an open system ; ( l ) it allows its resource to be shared freely ; ( 4 ) it makes up a zero - timed and zero - spaced learning environments ; ( 5 ) it achieves a free exchange between the teachers and the students by means of bi - directional feedback 网络教学系统是指基于计算机网络环境的,能够随时随地支持教师备课、授课和学生自主学习,能够开展网上作业、考试、讨论、答疑等教学活动的教学软件系统。它的基本特点是:由网络教学资源和网络教学支持系统构成;具有开放性;能够实现资源共享;提供零时间、零空间的学习环境;允许交互式反馈以实现教学互动。