periodic changes是什么意思

网络释义

用法例句

It is noted that international trade policies have an obvious characteristic of periodic changes.

历史和现实都证明,贸易政策具有周期性变化的明显特征。

The cyclical variation of hair follicle depends on the interaction between follicular epithelial cells with epidermis MES cell,and the anagen begins with hair shaft\' growth from the hair follicle,and the catagen is drove by apoptosis,and hair follicle goes into the telogen.

毛囊的周期性变化依靠毛囊上皮细胞和真皮间充质细胞的相互作用,先是毛囊长出毛干为生长期,接下来是凋亡驱动的退行期,然后进入休止期。

Histomorphology Research of the Secondary Follicle Cycling of Inner Mongolia Cashmere Goat;

内蒙古绒山羊次级毛囊组织形态周期性变化研究

A study on the periodical variation of mixed liquor suspended solids(MLSS) concentration was carried out using simulated municipal wastewater in a lab-scale equipment with treatment capacity of 0.

d-1的小规模试验设备,以模拟的城市污水作为处理对象,对改进型序批式反应器(MSBR)系统各功能区的污泥周期性变化进行了研究。

Study of periodical Variation of Theses on P.E.scientific Researches from the Perspective of Sports Events;

从体育事件看体育科技论文的周期性变化

A Probe Into the Causes of Periodic Changes of the Global Trade Policies;

国际贸易政策呈周期性变化的原因探讨

The periodicity of positron annihilation parameter is related to periodic change of lattic distortion and crystal defect.

正电子湮没参数的周期性,与点阵畸变和晶体缺陷的周期性变化有关。

Hair Follicles Cycling of Cashmere Goats and mRNA Expression of KAP13-1 During Anagen;

绒山羊毛囊周期性变化与兴盛期毛囊KAP13-1基因的表达

Periodic change imposed on a controlled variable or a function by a controller.

通过控制器控制某一变量或函数进行周期性变化。

Periodically variables of gear mesh stiffness, may cause period excitation, may result in vibration by gearing parameter.

齿轮啮合刚度是周期性变化的,这会引起系统的周期性激励,这样的振动称为参激振动。

Study on Effects of Cyclic Changing Environment on Denitrifying Phosphorus Removal in SBR;

SBR内周期性变化的环境对反硝化聚磷的影响研究

the superimposed symbolism lacked validity; superimposed periodic variation.

这种叠加的象征意义缺乏正确性；叠加的周期性变化。

breathing of transmitter

送话器电阻的周期性小变化

LES TERMES P(?)RIODIQUES DE LA VARIATION DE LATITUDE DE 1935.0-1941.0

1935.0—1941.0年?度变化的周期?

PERIODIC VARIATION AND LINEAR RISE TREND OF MONTHLY MEAN VALUE OF SEA-LEVEL IN PACIFIC OCEAN

太平洋月平均水位周期变化和线性升降趋势

The Change of IFN-γ and IL-4 on Peripheral Blood of Acute Phase in Children with Mycoplasmal Pneumonia;

支原体肺炎患儿急性期外周血IFN-γ、IL-4的变化

The Periodicity of Climate Change in Daihai Region Revealed by Markov Chain Model;

用Markov模型揭示岱海地区气候变化的周期性

Alteration of Peripheral CD4~+CD25~+ Regulatory T Lymphocytes in Preeclampsia;

子痫前期患者外周血CD4~+CD25~+调节性T细胞的变化

Analyses on the Correlation between FDI and Business Cycle;

FDI流量变化与世界经济周期的相关性分析

The characteristic periodicity analysis of the radio flux variability of quasar PKS 1510-089

类星体PKS 1510-089的射电流量变化周期特性研究

Number changes of pericytes in early myocardial ischemia necrosis

早期心肌缺血缺氧性坏死中周细胞数量的变化

Alteration of Cell Cycle-Phase in Peripheral Blood Mononuclear cells in Patients with Systemic Lupus Erythematosus

系统性红斑狼疮患者外周血单个核细胞周期变化的初步研究