Firstly let’s review the basics of P and I diagrams. They show the engineering details of the equipment,instruments,piping, valves and fittings,and their arrangement．They are produced by marking up features on the process flow diagram.

首先，我们来回顾一下P&I图，它们表达了设备、仪表、管线、阀门和附件及其布置的工程细节。它们是由工艺流程图加注特征符号产生的

属类：化学及生命科学-化工-化工厂设计与操作

Firstly , I believe the main purpose of compulsory education is to check drop-out rates for all grades in primary and secondary levels.

首先，我相信实施义务教育的主要目的是要去除中小学校内各年级的辍学现象。

属类：社会文化-新闻报道-

I should firstly likely to congratulate Pedro on a tremendous, measured and effective drive today scoring a great second place.

首先，我要向德拉罗萨表示祝贺，祝贺他在今天以超凡的本领、稳定的发挥获得比赛亚军。

属类：单位简介-汽车公司网站-奔驰天下

Firstly , it is also most important that pigeons in the public square bring us a feeling of warmth and joy.

首先，也是最重要的，广场鸽为我们带来了温馨。

属类：综合句库-一般表达-进退两难

Firstly , because we all belong to one human race, each of us with the same rights and obligations, where "each person is all persons," to cite the argentine writer Jorge Luis Borges

首先，因为我们同属人类，人人享有同等权利和义务，引用阿根廷作家豪尔赫·路易斯·博尔热斯的话说，“每个人即所有人”

属类：综合句库--

Firstly , we should dispel the idea that learning Chinese is only useful for doing business with China.

首先，应该纠正某些片面的观念，以为学华文不过是为了和中国做生意。

属类：社会文化-新闻报道-

Firstly , the locations of shot holes have to be chosen properly in the seismic survey area.

首先，在进行地震法测量的地区正确地选定爆破井的位置。

属类：工程技术-地质-地质与勘探

Firstly , China currently enjoys an excellent leadership, which has articulated a clear vision for China.

首先,中国目前拥有一个优秀的领导班子,这个领导班子清晰地为中国指出了发展的前景。

属类：口语表达-演讲-

Firstly , as a farmer you should do things at the right time of the year.

首先，作为农民，应该不违农时。

属类：学习英语-教材英语-高一课文

Firstly the wastewater is cooled and crystallized in order to deposit salt, and the removal efficiency of salt is about 70%.

首先对该废水进行冷却结晶,盐分析出率最高达70%左右

属类：化学及生命科学-化学-论文文摘

Who is the scientist firstly find radium ?

首先发现镭的科学家是谁?

属类：综合句库--

Firstly you push this red button, then the blue one.

首先你按红色按钮，再是蓝色的。

属类：综合句库--

Firstly , let us deal with the most important issue.

首先让我们来处理最紧要的问题。

属类：综合句库--

firstly , their useage of financial leverage is extremely limited ,relative to their own interest payment capability firstly, their useage of financial leverage is extremely limited ,relative to their own interest payment capability firstly, compared to their own interest payment capability,the useage of financial leverage is extremely limited ,

首先相对于本身支付利息的能力，他们所运用的财务杠杆极其有限

属类：商务文书-经济文书-巴菲特致股东

Firstly , they are inseparable from our ethnic identity.

首先因为这些节日是跟自己的民族身份分不开的。

属类：社会文化-新闻报道-

Firstly and fundamentally, it represents an ideal state of human nature.

首要的也是最根本的，它代表的是一种理想的人性。

属类：社会文化-新闻报道-

A Study on Clinical Characteristics and Defense Mechanism of Obsessive Compulsive Disorder Diagnosticated Firstly

首诊强迫症患者的临床特点与心理防御机制研究

属类：行业术语-中文论文标题-

The Soviet Union differs from our country in that, firstly , tsarist Russia was an imperialist power and, secondly, it had the October Revolution

苏联和我们不同，一、沙皇俄国是帝国主义，二、后来又有了一个十月革命。

属类：综合句库--

His book was divided into two parts: firstly , the duties of all

他的著作分两部分

属类：综合句库--

More importantly, China’s fulfillment of these commitments will firstly benefit itself

他同时指出，中国履行这些承诺首先有利于中国。

属类：综合句库--

It is, firstly , a contract between the shipper and the shipping company

它首先是发货人与船运公司之间的一种合约。

属类：综合句库--

Taramasso et al. firstly reported the synthesis of titanium silicalite TS-1 in 1983 and it was found that TS-1 exhibited the unique catalytic performance in oxidation reaction involving H2O2 as the oxidant.

特别是，1983年Taramasso等首次报道的钛硅分子筛TS-1，在以H2O2为氧化剂的低温氧化反应中具有特殊的催化性能，反应条件温和，反应选择性高，副产品为水，对环境无害。

属类：化学及生命科学-化工-化工论文摘录

The most important shipping document is the bill of lading. It is firstly , a contract between the shipper and the shipping company; secondly, a receipt for the consignment;

提单是最重要的运输单据。首先，它是发货人与船运公司之间的合同;其次，它是货物收据

属类：经济金融-经济-国际营销

We firstly should solve this problem.

我们首先应解决这问题。

属类：综合句库--

I always have, and still feel firstly , Singaporean and secondly, Asian.

我一直都觉得我首先是个新加坡人，其次是个亚洲人。

属类：社会文化-新闻报道-

The CAD system of wastewater treatment engineering is systematic computer software that is firstly developed in the trade of wastewater treatment in our country, and can satisfy the requests of practice very well.

污水处理工程CAD系统,是我国污水处理行业中首次开发出的系统性计算机软件,并达到了实用化要求。

属类：工程技术-建筑-土木建筑

The design of a drain or sewer is influenced by a number of factors. Firstly , the likely volume of sewage to be carried has to be assessed, allowing for possible water from other sources flowing into the pipes.

下水道和排污管的设计受到若干因素的影响。首先要估计下水道系统可能的容量,使管道能够容纳其它来源的水流。

属类：工程技术-建筑-土木建筑

Design on the Filters of the Lifting Scheme with the Update Firstly

先更新后预测的提升格式滤波器的设计

属类：行业术语-中文论文标题-

Quadratic Phase Shift Three-Point Method Through Which Linear Motion Error Can Be Separated and Gained Firstly

先行分离直行运动误差的二次相移三点法

属类：行业术语-中文论文标题-

A Banded Myiophoneus caeruleus eugenei Firstly Captured in Night Bird Banding Activity

夜间鸟类环志中首次捕到戴环鸟-紫啸鸫

属类：行业术语-中文论文标题-