trefoil knot是什么意思

网络释义

用法例句

In this paper, we studied the cross section morpholgical structures and properties of PET filament yarn with trilobal cross section at conventional spinning speed by measuring the degree of profile, breaking Strength and elongation, shrinkage in boiling water and Uster value, ect.

本文通过测定涤纶三叶异形长丝的异形度、断裂强伸度、初始模量、沸水收缩率和条干不匀率等，研究了在常规纺丝速度下涤纶三叶异形长丝的结构性能。

is erected for the trilobitomorph first found in the Guanshan fauna.

重点描述该动物群中一三叶形虫新属PanlongiaLiuetLuogen。

Preparation and electromagnetic properties of swirl-shaped SiC fibers

三折叶形截面碳化硅纤维的制备及其电磁性能

Trilobal,swirl-shaped and T-shaped SiC fibers were prepared from precursor polymer.

通过先驱体转化法,制备出三叶形、三折叶形和T形截面碳化硅纤维。

Discussion on Factors Affecting Dyeing of Trilobal Superbright PET FDY in High Speed Spinning

高速纺三叶异形超亮光涤纶染色影响因素的探讨

ornament or design shaped like such a leaf

三叶形装饰或图案.

of a leaf shape; consisting of three leaflets or sections.

一种叶子形态；由三个小叶或三个部分组成。

Effects of Nitrogen and Phosphate Fertilizer on Isoflavone Yield of Red clover

氮磷肥对红三叶中异黄酮产量的影响

Effect of Red Clover Isoflavones on Growth Performance in Broilers

红三叶异黄酮对肉鸡生长性能的影响

An ornament, a symbol, or an architectural form having the appearance of a trifoliate leaf.

三叶形有车轴草外形的装饰、符号或建筑形式

orchid having two triangular leaves and a short lax raceme of green to rust-colored flowers with the lip flushed mauve; Europe and Asia and North America and Greenland.

有两片三角形叶子的兰花，总状花序短

3-D FEM Analysis of Forming Laws in Precision Forging Process of Blade;

叶片精锻成形规律的三维有限元分析

A black figure shaped like a trefoil or clover leaf on certain playing cards.

梅花某些游戏纸牌上的一种黑色图案，类似三叶形或苜蓿叶形

of a leaf shape; narrowly triangular, wider at the apex and tapering toward the base.

叶子的形状；类三角形的，顶部较宽越往底部越细。

Involvement of the Heterotrimeric G Protein in the Defense Responses of Wheat to Its Leaf Rust Disease;

异三聚体G蛋白参与小麦抗叶锈病反应的研究

Research on extraction of isoflavone from red clover by microwave-assisted treatment

微波辅助萃取红三叶草总异黄酮的研究

Structural Characteristics of Heteromorphic Leaves and Influences on Leaf Development under Tissue Cultural Condition of Populus Euphratica;

胡杨异形叶结构特征及离体培养条件对叶片发育影响的研究

Abnormal shape of optic chiasm with encephalomalacia of the frontal lobe was found in 1 case of trauma.

外伤 1例 ,表现为视交叉形态异常伴额叶软化灶 ;

Studies of the Morphological Variation on and ITS Sequence Analysis of Paris Polyphylla Smith;

多叶重楼种内的形态变异及其ITS序列分析

Anatomical and Physiological Characteristics of Eco-adaptability of Heteromorphic Leaves in Populus Euphratica Oliv

胡杨异形叶生态适应的解剖及生理学研究

Fourier analysis of bending of orthogonal anisotropic rectangular thin cantilever plate

正交各向异性矩形悬臂薄板弯曲的傅立叶分析

The Culm form Characteristic and the Variation of Chimonobambusa angustifolia f. repleta Population

实心狭叶方竹秆形特性及变异规律研究