空心

使用空心砖是因为它们更轻。

Hollow blocks are used because they are lighter .

铁条是实心的，管子是空心的。

A iron bar is solid ; a pipe is hollow .

空心吃这剂药。

Take this dose of medicine on an empty stomach .

所有构件都用空心陶土砖做基本原料。

All the units employ hollow burned-clay blocks as the basic raw material .

古柳空心儿了。

The old willow tree has become hollow inside .

鼓是空心的。

A drum is hollow .

他们希望减少建筑工作所需的部件数量和重量，例如，用空心管代替实心支架。

They hope to reduce both the number of components needed in a construction job and their weight - by replacing solid supports with hollow tubes , for example .

春天来临之际，有些叶子的莲座丛中间会长出空心的花葶。

In spring , some hollow flower-stalks grow up from the centre of the rosette of leaves .

比较了在不同气压和空心阴极孔径下虚阳极的形成时间和扩展速度

The virtual anode formation time and propagation velocity at different pressure with different apertures are investigated .

空心阴极离子淀积TiN薄膜特性研究

Properties of TiN Films Prepared by a Hollow Cathode Discharge System

在C型臂X线机监视下按特定角度打入3枚空心钉。

Three titanium cannulated screws were drove into with a definitive angle under the monitor of " C " arm X-ray machine .

目的：探讨CT引导下经皮空心钛合金拉力螺钉内固定治疗骶髂关节损伤的临床疗效。

Objective : To explore the clinical results of the percutaneous internal fixation of sacroiliac joint trauma by CT guided technique .

用LCD产生位错光栅生成空心光束

Production of Hollow beam by Dislocation Grating with LCD

随热处理温度的升高，W型铁氧体空心微球的介电常数降低；

With heat treatment temperature increasing , the complex permittivity of W-type ferrite hollow microspheres decreased ;

空心平板光波导中三脉冲TE模光子回波

Three-Pulse TE Mode Photon Echo in Hollow Slab Optical Waveguides

用CFRP加固斜交空心板桥的现场试验研究

Study of Field Tests of Skew Hollow Slab Bridges Strengthened with CFRP

新型球形纳米空心SiO2的模板合成方法研究

Study on a Novel Template Synthesis Method for Hollow Silica Nanospheres

微米级石英空心小球表面TiO2薄膜的制备及其降解性能的研究

Fabrication and photocatalytic of TiO_2 thin film deposited on hollow quartz microball

热诱导组装Ta2O5空心微球

Temperature-triggered Assembly of Ta_2O_5 Hollow Microspheres

空心球非密堆积fcc结构光子晶体能带结构的研究

Studies of Photonic Band Gap in the Face - centered Cubic Lattice of Non-closed-packed Hollow Spheres

闭合复位经皮AO空心钉治疗骶髂关节损伤

Closed reduction and percutaneous AO hollow compressing screw fixation for sacroiliac joint injury

AO空心钛螺钉微创治疗股骨颈骨折38例

Microinvasive treatment for 38 patients with femoral neck fracture with AO cannulated screw

正辛胺模板法制备SiO2空心微球及其结构表征

Preparation and characterization of hollow silica microspheres by octylamine templating

介孔结构空心球状WC粉体催化剂的制备与表征

Preparation of Hollow Global Tungsten Carbide ( WC ) Catalysts with meso-Porosity and Its Characterization

利用空心阴极放电等离子体源在Si（100）单晶衬底上沉积了氮化碳薄膜。

Carbon nitride films are deposited on Si ( 100 ) single-crystalline wafers by DC hollow cathode discharge ( DC-HCD ) type plasma .

利用PVDF检测激光声表面波的实验方法声表面波空心叉指换能器

An Experimental Method for the Detection of Laser-Generated Surface Acoustic Waves with PVDF Transducers

SP预应力空心板在钢结构厂房围护结构中的应用研究

A study on application of SP prestressed cored slab in exterior-protected construction of steel structure factory building

FAⅢ-400侧向伸入式搅拌器的磁力驱动改造新型空心搅拌器

Retrofits of the Magnetic Drive of the FA ⅲ - 400 Literal Embedding Mixers Hollow Type Stirrer

针对YAG脉冲激光焊接Al及45~钢时产生的光致等离子体，采用空心圆电极探测等离子体电信号；

A hollow cylindrical electrode was employed to detect the electrical signal of laser-induced plasma during YAG-pulse laser welding of Al and 45 ~ # steel .

采用TEM、XRD对二氧化硅/镍复合球和镍空心球进行了表征和研究。

The nickel-coated silica spheres and the hollow nickel spheres were characterized by transmission electron microscopy ( TEM ), X-ray diffraction ( XRD ) .