They’ve done the math to calculate how long it would take for Darwin’s mechanism to accomplish a particular kind of functional conversion.
他们用数学方法计算了达尔文所声称的进化机制需要多长时间才能完成某项特定的功能性转变。
This dissertation systematically analyzes the mechanism of land use conversion, and focuses on the problem of interests adjustment.
本论文以利益调整为核心，对土地非农化机制问题进行了比较系统的研究。
The forms and structures of the conversion of matter element and problem are discussed, and the mechanism of the conduction conversion is analyzed.
讨论了物元转换与问题转换的形式刻划，分析了传导转换的作用机理，并给出了物元转换的形式分类与问题转换的形式结构。
The mechanism of land use conversion means all powers that promote or restrict land use conversion.
而土地非农化机制则是指推动和约束土地非农化的各种力量的总称。
In this paper, the ICRF fast wave mode-conversion and correlative damping mechanism in an inhomogeneous hot plasma are investigated for the configuration of tokamak by using the kinetic theory.
本文对托卡马克位形，用动力理论研究了非均匀热等离子体的ICRF快波模转换及有关的阻尼机制。
Some factors which influence the reaction conversion and the reaction mechanism have also been investigated.
还对影响反应转化率的一些因素及反应机理进行了探讨。
The mechanism of food effect on carbon growth was decided by assimilation ratio and conversion efficiency.
饵料对碳生长的影响机制是由碳同化率和转换效率决定的。
This paper analyzes the minimal build mechanism in line scan conversion and presents a new scan algorithm.
深入研究了直线扫描转换的最小生成机制，提出一种扫描转化算法。
However, a series of problem of enterprise mechanism conversion and management updating are faced with. The fierce competition brings more opportunities and threats to enterprise.
但是，也存在着企业机制转换、管理更新等一系列问题，激烈的竞争给企业带来了极大的威胁。
This paper introduces the conversion coating with rust, stable rust paint, permeable paint with rust and functional mechanism, with rust paint basic scope of application and its development trend.
本文介绍了转化型带锈涂料、稳定型带锈涂料、渗透型带锈涂料以及功能型带锈涂料基本的作用机理、适用范围及其发展趋势。
The mechanism of salinity effect on carbon growth of the prawn was decided by food intake and carbon conversion efficiency.
盐度影响中国对虾碳生长的机制主要取决于摄食量和碳的转换效率。
The paper studied the reaction mechanism of self bonding in dry process binderless fiberboard manufacture by investigating the chemical composition and conversion of wood.
通过干法无胶纤维板制造过程中对木材化学成分的转化和含量变化的研究，探讨了干法无胶纤维板的粘合机理。
The maximum phonon energy is obtained by measuring anti stokes Raman shifts of the samples, and the up conversion mechanism is briefly discussed.
通过对样品的反斯托克斯喇曼光谱的测量，确定了基质的最大声子能量，在此基础上分析了上转换荧光的产生机制。
The conversion mechanism of DBS under radiation was discussed.
此外，还对硫醚的辐射转化机制进行了初步探讨。
Based on the color transfer mechanism of the making equations, the color conversion can be performed by introducing the colorimetric density variables.
基于蒙版方程的颜色传递机理，由色度密度变量实现色彩变换。
In the first chapter, the concepts of land use conversion and the mechanism of land use conversion are given.
第一章提出了土地非农化和土地非农化机制的概念。
The intrinsic mechanism of energy conversion and failure process in the intermittent regional fracture process of rock is discussed.
讨论了岩石间隔性区域断裂过程中能量转化与岩石破坏的内在机制。
The production technologies for multiple petrochemical raw materials were introduced with the theoretical mechanism explained by conversion of chemical structures in the refining process.
介绍了炼油过程中多产石油化工原料的有关工艺技术，从化学结构转化角度阐明了理论依据。
Evoking teachers' consciousness and establishing a mechanism of conversion between the internal and external curriculum resources are the basic methods to develop curriculum resources in China.
唤醒教师课程资源开发的主体意识、建立校内外课程资源转化机制是我国社区课程资源开发的基本思路。
The paper introduces the structure, theory and mechanism of data communication net in this system, especially RS232/RS485 passive level conversion module.
本文介绍了该系统中数据传输网络的组成、工作原理及数据传输机制，特别是设计独特的RS-232与RS-485之间的无源电平转换接口模块。
Introduced the noise classification and the mechanism of centrifugal fan in the rubber industry, and analyzed the conversion of centrifugal fan noise level.
介绍了橡胶工业用离心风机的噪声分类及噪声机理，分析了离心风机噪声级的换算。
This material is in low phonon energy state. It has better up conversion intensity, and its mechanism is better than fluoride.
它具有较低的声子能量，较好的上转换发光强度，机械性能也比氟化物强。
Furthermore, the purpose of Corporate Governance is to realize the conversion from power balance to scientific decision, from structure control to mechanism control.
此外，公司治理的目的要实现从权力制衡到决策科学，从治理结构到治理机制的转变。
The cause and damage of hydrogen humidity in generator is analyzed, the measuring mechanism of hydrogen humidity is expounded, a personal stand point for conversion of standard is introduced.
对发电机内氢气湿度大的原因及危害作了简要的分析，论述了氢气湿度的测量机理，对测量过程中湿度值的换算提出了个人的看法。
To find out the extremely low acid hydrolysis mechanism of cellulose in biomass, effect factors of the reducing sugar yield and cellulose conversion ratio were studied in hydrolysis reacting system.
深入了解生物质中纤维素的超低酸水解机理，在水解反应系统中研究了水解糖产率和纤维素转化率的影响因素。
Through the studies on biochemical mechanism, the malolactic conversion mechanism was proposed that MLF was catalysed by LAB intracellular malolactic enzyme (MLE).
通过对MLF生化机理的研究，提出了MLF是LAB利用胞内苹果酸-乳酸酶（MLE）直接催化苹果酸转变成乳酸的过程。
The wavelength conversion mechanism and the thresholding conversion characteristics of all-optical wavelength converter based on a laser diode are described by the gain saturation effect.
使用半导体激活介质的增益饱和效应，描述了激光器型全光波长转换器波长转换机制及其阈值转换特性。
It is focused on conversion mechanism, kinetics and reactor, as well as reaction product and the effects of reaction conditions on product composition distribution.
本文综述了纤维素在超临界水中水解糖化的反应机理、反应动力学和反应设备，以及反应产物和不同反应条件对产物组成的影响。
Performance and energy conversion mechanism of a wind-driven fan installed on roof were studied through kinematical analysis and experiment.
通过运动学分析和实验测试，对风动力屋顶排风机的能量转换机理和风能利用特性进行了研究。
Objective To study the molecular mechanism of the conversion of alveolar macrophages (AMs) from immune defensive cells to effective cells in mice with endotoxin induced lung injury.
目的探讨内毒素肺损伤时，肺泡巨噬细胞逐步由免疫防御型转变为效应型的分子机制。
应用推荐