unknown是什么意思

网络释义

用法例句

Ⅰ.Development of Powder Screening Test Kit Ⅱ.Determination of Tetrodotoxin by Liquid Chromatography-electrospray Mass Spectrometry;

一.未知粉末现场筛查试剂盒的研制 二.液相色谱—电喷雾质谱联用检测河豚毒素

Qualitative analysis of crystalline compounds in an unknown catalyst by XRPD.

粉末X射线衍射法定性分析一种未知催化剂中晶体化合物

Composed of or similar to powder.

粉的由粉末组成的或类似粉末的

metal powder printing

【纺】金属粉末印染

Ultrastructural studies of a new pollen type exine of Polygonum

蓼属—未知花粉类型外壁超微结构的研究

He crushed a piece of chalk to powder.

他将一支粉笔压成粉末。

Powders for powder metallurgical purposes--Sampling

GB/T5314-1985粉末冶金用粉末的取样方法

Esther had not revealed her nationality and family background, because Mordecai had forbidden her to do so.

以斯帖未曾将籍贯宗族告诉人，因为末底改嘱咐她不可叫人知道。

Made of, covered with, or crumbling to fine powder or dust.

粉的用粉或末制成、覆盖或坍塌成粉或末的

Covered with mealy dust or powder.

被粉的覆盖着粉灰或粉末的

To coat(food) by sprinkling with a powder, such as flour or sugar.

在（食物）上撒粉末，如面粉或糖粉

Molecular Markers of Novel Powdery Mildew Resistance and Stripe Rust Resistance Genes in Wheat Line 101-3;

小麦品系101-3中未知的白粉病和条锈病抗性基因的分子标记

3 bronze powder, tin powder, nickel powder etc.

3青铜粉、锡粉、镍粉等各种客户要求合金粉末。

grind sth to dust, to powder, etc

将某物磨成末、 粉等.

unisokinetic sampling

粉末的非匀速吸引抽样

neutron powder crystal diffraction patter

粉末晶体中子衍射花样

MPIF (Metal Powder Industries Federation)

金属粉末工业联合会

powder metal moulding press

粉末金属成型压力机