1) long periodic hexagonal structure
长周期六边形的结构
2) periodical quadrangle structure
四边形周期结构
1.
Designing a type of photonic crystal fiber of periodical quadrangle structure with negative refractive index materials;
四边形周期结构负折射介质光子晶体光纤的设计
3) long period structure
长周期结构
1.
Especially,in long period structures,displacement is mainly controlled by transient vibration.
有限持时的实例提示我们结构的最大位移可能出现时滞现象,且工程结构的自振周期与出现结构最大位移的时间密切相关,特别在长周期结构中,位移主要受瞬态振动的控制。
2.
In the light of being short of broadband strong seismic records in aseismic design of long period structures at present, using reflectance, contour integral and other methods of synthetic earthquake ground motion, the character of long period for earthquake ground motion is approached.
针对目前长周期结构物抗震设计缺少宽频带强震记录的现状 ,利用“反射率法”和“围道积分法”等合成地震动方法对地震动长周期特性进行了探讨。
3.
The simulation results also indicate that the destruction or collapse of long period structure does not happen at the appearing instant of the greatest intensity of earthquake ground motion,but frequently at the final stage of earthquake ground motion,or even after the earthquake ground motion completely ends,which can provide scientific basis for the structure design and safety.
本文通过HHT变换得到瞬时能量谱,并以HHT对地震动作用下的结构位移响应进行分析,发现长周期结构动力响应的显著特点:最大结构位移响应总是滞后于地震动激励的最大能量谱值时间。
4) long period stacking structure
长周期堆垛结构
1.
Effect of solidification conditions on the formation and structures of long period stacking structures in the Mg-Zn-Y alloys;
凝固条件对Mg-Zn-Y合金中长周期堆垛结构的影响
2.
Formation of long period stacking structures in Mg-Gd-Y-Zn alloy studied by in-situ quasi-dynamic back-scattering electron microscopy;
Mg-Gd-Y-Zn合金中长周期堆垛结构形成的原位准动态背散射电子显微研究
3.
The characteristics of long period stacking structures(LPS)formed in these alloys were studied by TEM and SEM.
感应熔炼法制备了Mg_(97)Y_2M_1(M=Zn,Ni,Ag)合金,运用TEM和SEM对铸态合金中的长周期堆垛结构(LPS)进行了分析。
5) long-period ordered phase
长周期有序结构
1.
83C martensite aged at room temperature, indicating the existence of long-period ordered phase.
超点阵斑点的分裂距离所对应的长周期不是ｃ＿Ｍ的整数倍，表明周期为１０ｃ＿Ｍ，１２ｃ＿Ｍ，１４ｃ＿Ｍ的３种长周期有序结构可能同时存在，其衍射线互相干涉使超点阵斑点的分裂距离不为ｃ＿Ｍ的整数分之一。
6) subwavelength periodic structure
亚波长周期结构
1.
We mainly studied the extraordinary optical transmission through subwavelength periodic structure in metallic film.
本论文主要研究亚波长周期结构金属薄膜中的超传输现象。
补充资料：长日照植物(见光周期)
长日照植物(见光周期)
Zh、wU史奢令霆孤见光周期。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条