SFI is used by shipping and offshore companies, shipyards, consultancies, software suppliers, authorities and classification societies.是什么意思？

SFI is used by shipping and offshore companies, shipyards, consultancies, software suppliers, authorities and classification societies.

SFI使用在海运公司和海洋工程公司, 船厂, 咨询公司, 软件供应商, 主管当局和船级社.

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

used

adj. 用过的，习惯于，二手的，旧的；v. 使用（ use的过去式和过去分词），常常，经常；

例句
The gym can be used by both able-bodied and disabled people.
这家健身房健全和残障人士都可使用。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

shipping

n. [船]船舶，船舶总数，航运，海运，运送；v. 运送，乘船(ship的ing形式)；

例句
The collision took place in the busiest shipping lanes in the world.
撞船事故发生在全世界最繁忙的航道上。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

offshore

adj. 海上的，近海的，投放海外的，离岸的；adv. 在近海岸；

例句
The decision to allow more offshore oil drilling angered some Californians.
允许进行更多近海石油钻探的决定激怒了一些加利福尼亚人。

companies

n. 公司( company的名词复数 )，[军事]连，连队，客人；

例句
The workforce have recently been calling for their working hours to be reduced. Many companies have accordingly switched to a five-day week.
工人们最近一直在呼吁缩短工作时间。许多公司于是转成了一周五天工作制。

Shipyards

n. 船坞( shipyard的名词复数 )；

例句
In 1980, strikes at the Lenin Shipyards gave birth to the Solidarity trade union.
1980年，列宁造船厂的罢工致使团结工会得以成立。

consultancies

n. 顾问（工作）( consultancy的名词复数 )；

例句
All consultancies should work like this; few do.
所有的顾问都应该这样工作; 也有个别例外.

software

n. 软件，软体，软设备；

例句
...a software system to aid managers in advanced decision-making...
帮助经理作出高级决策的软件系统

suppliers

n. 供应商( supplier的名词复数 )；

例句
We have three suppliers in all who are approved by the Organic Farm Food Association.
我们总共有3家获有机农产品协会认可的供货商。

authorities

n. 当局，权力，权威，权威( authority的名词复数 )，权力，学术权威，[复数]当权者；

例句
The authorities have abandoned any attempt to distribute food...
当局中止了分发食物的尝试。

classification

n. 分类，分级，类别，（动植物等的）分类学；

例句
Features and classification of bainite transition was described in detail.
摘要详细介绍了贝氏体相变的特征及其分类.

Societies

n. 社会( society的名词复数 )，上流社会，社团，社群；

例句
In many societies young men regard themselves as highly active, the agents of change, shapers of the world.
在许多社会中，年轻人将自己看成是高度活跃的分子，是变革的推动者和世界的塑造者。