non-dimensional
adjective mathematics specialized (also nondimensional) uk/ˌnɒn.daɪˈmen.ʃən.əl/ /ˌnɒn.dɪ.men.ʃən.əl/ us/ˌnɑːn.dɪ.men.ʃən.əl/ /ˌnɑːn.daɪˈmen.ʃən.əl/
非量纲的
not expressed in or representing measurements of any particular unit, for example of length, or time
In complex value measurement systems, native performance scales are collapsed onto a non-dimensional value scale, which is normalized between zero and one. 在复杂的价值衡量系统中，原始的表现评测指标被压缩为一个非量纲的评测值，被归一化为零到一之间。
Multiplying a selection gradient by the corresponding phenotypic standard deviation gives the selection intensity, a non-dimensional quantity that is widely used by breeders.
无维度的
not having or appearing not to have height, length, depth, or width
In the end, circumference and centre are reduced to a nearly non-dimensional point. 最终，圆周和圆心被缩减到一个几乎是无维度的点。
The two worst enemies of dark hair are flat, non-dimensional colour and lack of condition.
- More examples
- In the following figures, the cross denotes the position of the origin of the coordinate system and numbers are the values of the non-dimensional time.
- Volumes were calculated by a new radionuclide technique that correlated well with the cineangiography and is expressed in nondimensional units.
- Five hundred times of simulations with 100 nondimensional time units were implemented with random heights to test robustness.