main的例句大全

From fertilized eggs to newly hatched larvae, can be divided into 4 main stages; including cleavage stage, blastula stage, gastrula stage and formation of embryo stage, total 22 embryonic development stages.

从受精卵到仔鱼出膜可分为卵裂期、囊胚期、原肠期、胚体形成期4个主要阶段，22个发育时期。

Main Factors of Influencing the Quality of Emulsified Bitumen Slurry Seal

影响乳化沥青稀浆封层质量的几个主要因素

The biting sopt of the insect was the main invasive entry of the pathogen.

昆虫等造成的伤口是病菌侵入的主要途径；

Analyzing principle of fault detection in main memory based on characteristic matrix, the paper introduces the condition and methods of detecting address bit and data bit.

在分析基于特征矩阵的主存故障检测方法原理的基础上，介绍了检测地址位及数据位故障时特征矩阵存在的条件及其确定方法。

As main minerals holding native gold, bismuth minerals are closely coexisting with native gold.

铋矿物作为主要载金矿物，与自然金紧密共生；

One of the main flight feathers projecting along the outer edge of a bird's wing.

突出在鸟翼外边缘的一种主要的飞羽。开发地区边缘很快会有国外资金投入。

The main work is as follows: Firstly, embarking from the structure of insect and bird wing, this paper analyzed the flight mode, the flight theory and the flapping-wing motion pattern of two kind of flights biology.

主要研究内容包括：首先，从昆虫和鸟类翅膀构造出发，分析两类飞行生物的飞行方式、飞行原理和翅膀的扑动模式为扑翼微型飞行器设计提供理论和仿生学依据。

The paper points out that the dielectric insulation bipolar technology is main technology for implementing integrated circuit used in communication.

指出介质绝缘双极工艺是实现既经济又优良的电信通信用集成电路的主要工艺。

Dimethylsulfide ( DMS), the most important volatile sulfur compound in the oceans, is the main source of sulfur to the atmosphere and plays a key role in the interaction between marine biota and global climate change via the formation of atmospheric aerosol and cloud condensation nuclei.

DMS是海洋中最主要的挥发性有机硫化物，对全球气候变化和环境酸化产生重要影响。

The main conclusions were as followed: ( 1) The ecosystem services of buffer strips were related to plant species, crown density and tridimensional green biomass density.

主要研究结论如下：（1）缓冲带的生态服务与物种、郁闭度和三维绿量密度有关。

At herd the grass growth season, 5 kinds of main dominant species forage biomass is 50% that total forage biomass;

牧草生长季5种主要优势种牧草的生物量占总生物量的50%以上；

The result shows that constitute the plants community of the main dominant species forage biomass variety of year range is bigger than community.

结果表明：分种牧草生物量年变化幅度大于牧草群体的变化；

Compared with Ah J-1 strain, outer membrane protein profiles and some biochemical characters of the mutant strain had changed, and some genes of main virulent determinants could not be expressed, such as proteases, amylase, DNase and hemolysin.

与J-1株相比，突变株的外膜蛋白图谱和部分生化特性发生改变；胞外蛋白酶、淀粉酶、DNA酶、溶血素等几种主要毒力因子同时丧失；

PPV is a kind of small DNA virus and is the main pathogen that causes breeding disorder of pigs.

PPV是一种小DNA病毒，是引起猪繁殖障碍的主要病原之一。

Combined with the construction practice, the paper discussed the main contents and points of the evaluation for construction engineering bidding and contract.

结合工作实践，阐述建设工程投标评审、合同评审的主要内容及要点。

The profound change, gradually formed and improve the responsibility system, construction supervision system in owner and engineering bidding contract responsibility system as the main contents of the new construction system.

这次深刻的变革，逐步形成和完善了以业主负责制、建设监理制和工程招标承包制为主要内容的全新建设体制。

Main Countermeasures in Bidding Quotation and Project Cost Management on the Basis of Valuation with BOQ

在工程量清单计价条件下的投标报价与项目成本管理的主要对策

Based on the analysis, corresponding measures including retarding plate corrosion, improving scraper, fastening stand fire main, adding rust-resisting valve and auto-sewerage are introduced in detail.

提出了延缓罐底板腐蚀、改造刮板、固定消防立管、增设除渣阀、安装自动排水装置等具体改进措施。

In the operations of the container ports, the berth scheduling problem is one of the main bottlenecks that restrict the container port to reduce the turnaround time of the ships and the operation costs.

在集装箱港口的运作中，泊位调度系统是制约集装箱港口降低船舶在港时间和运营成本的主要瓶颈之一。

The proposed auxiliary commutation circuit consists of one resonant inductor and two bidirectional switch, which provides the ZVS condition to the main switch without increasing voltage or current stresses.

提出的辅助变换电路由一个谐振电感和两个双向开关组成，此电路没有增加主开关的电压和电流应力，却给主开关提供了ZVS的条件。