But, how to choose the oil-drop space position, time range, and data processing method are problems of primary importance.
Millikan油滴实验是测定电子中微量电荷的有效方法 ,但首先要选定被测油滴的空间位置、时间范围以及数据处理的方法。
The theoretic model of transmyocardial laser revascularization is established and the quantificational relationship among vessel aperture,laser power and irradiation time is concluded according to the law of interaction of infrared laser with myocardium and the thermodynamics.
根据红外激光与心肌组织的作用规律和热力学原理建立红外激光重建心肌血管的理论模型,推导出激光重建心肌血管的孔径与激光功率、激光照射时间之间的定量关系。
The effects of SiO2 and irradiation time were investigated.
结果表明:随照射时间的增加,固化深度均匀增加,当照射时间为60 s,固化深度达到9。
bounded or limited in magnitude or spatial or temporal extent.
数量、空间或者时间范围有边界、有界限。
Follow up and implement the procurement within the reasonable lead time.
在合理的时间范围内进行跟踪并采购。
Specify the span of time this field can contain
请指定该字段所能包含的时间范围
You must specify a range of at least two days.
指定的时间范围至少必须为两天。
The end time cannot precede the start time. Please enter a new time range.
结束时间不能先于开始时间。请输入新的时间范围。
The date/time range you specified is not a valid and has been adjusted
指定的日期和时间范围无效，且已经过调整
The date you entered is not within the valid time span.
您所输入的日期不在有效的时间范围内。
the distant past beyond memory.
超出记忆力范围的时间。
(of memory) deficient in retentiveness or range.
（指记忆力）时间短或范围
(of time) constituting the full extent or duration.
（指时间）构成完整的范围或者时间。
Having the same scope, range of meaning, or extent in time.
同范围的在含义上具有相同范围、界限的，或在时间上是同时代的
Lack of time limited the scope of the course.
缺少时间限制了这项事业的范围。
restrict or confine, as to area, extent, time, etc..
约束或限制面积范围时间等。
of equal extent or duration.
有相等的范围或者持续时间。
Median follow up was 10.24 (range 2.02?20.16) years.
中位随访时间是10.24年（范围2.02～20.16年）。
Your date range spans more than 366 days. Please enter a new range.
日期范围跨越的时间超过了 366 天。请输入新的范围。
You must specify a caching time within the range of 0 and 4294967295.
您必须指定在范围0到4294967295之间的缓存时间。
having no limits or boundaries in time or space or extent or magnitude.
时间、空间、范围或者数量上没有界限、边界。