progressions

英 [prəʊˈgrɛʃənz]

美 [prəˈgrɛʃənz]

n.  (进入另一阶段的)发展; 前进; 进程; 系列; 序列; 连续
progression的复数

柯林斯词典

• N-COUNT 进展；发展；演变
  Aprogressionis a gradual development from one state to another.
  1. Both drugs slow the progression of HIV, but neither cures the disease...
     这两种药物都可以延缓艾滋病病情发展，但是都不能治愈这种疾病。
  2. I think they saw it as a natural progression for me.
     我想他们认为这对我来说是顺理成章的。
• N-COUNT （事件的）一连串，一系列，连续
  Aprogression ofthings is a number of things which come one after the other.
  1. ...a progression of habitats from dry meadows through marshes to open water.
     从干燥的草地到沼泽地再到开阔的水面的一系列栖息地

双语例句

• Short intervals 'almost-primes in Arithmetic Progressions
  算术级数上小区间中的殆素数
• Application of Z-Translation in Calculating Progressions and Plural Function Integral function, the curriculum?
  Z变换在级数和复变函数积分计算中的应用课程目标突出体现了学生发展为中心的思想；
• Sums of three or more primes in arithmetical progressions
  算术数列中三个或多个素数的和
• The literature review articles has summed up applications and progressions of traditional Chinese medicine therapy in interventional therapy of hepatoma.
  文献综述部分归纳了近年来中医药在肝癌介入治疗中的应用及研究进展。
• Introducing the recursive schema in equal difference and equal ratio progressions to teaching progression can provide some flexible and variable approaches and some simple and rapid ways to problem solving for seeking the general term equation of progressions.
  在数列教学中引入等差数列和等比数列的递归模式，可以为求数列的通项公式提供一些灵活多变的解题思路和简便快捷的解题途径。
• Progressions of gene therapy studies for hemophilia B were introduced in this paper.
  就血友病B的基因治疗研究进展及所存在的问题作一综述。
• Also, most Western pieces of music have chord progressions to which the melody conforms.
  同时，大多数西方音乐作品的旋律要符合和弦数。
• This is, in order: buy a ukulele, learn the most common chord progressions and strumming patterns, plenty of practice and, if possible, aim for a public performance.
  其步骤按照先后顺序来说就是：购买一把四弦小吉他，学习最普通的和弦进行以及弹奏模式，足够多的练习，以及如果有可能的话，把公开演出作为目标。
• Rather than a linear progression ( often dishonest) of earned value, a healthy project will exhibit an honest sequence of progressions and digressions.
  一个健康的项目将诚实地展示出一个进展与背离共存的序列，而不是一个线性发展价值递增的轨迹（通常是不诚实的）。
• In this paper, we reviewed recent progressions of quantitative analysis on morphological and gene expression of radiation-induced apoptosis, which includes: ( 1) morphologic characteristic of apoptosis;
  本文对近几年来放射性核素诱发细胞凋亡及用形态计量学定量研究的国内外有关进展进行综述，主要内容包括：（1）细胞凋亡的形态学特征；