兩者的區別：
be specialized in
專門從事；專攻；以……為專業。
specialized in
網路擅長；專門。
運用：
be specialized in：
To be specialized in wind power industry rapidly, CS Wind Corporation started wind tower business in 2004.
為了專業於風塔塔架製造事業，重山精工從2004年開始風力塔架的製造。
The Processing for Herbage Seeds Should be Specialized in China
牧草種子加工應提倡中國產專業化。
specialized in：
Until the late, is now, and may be old, fat, specialized in the fierce battle righteousness, but is often a cup with the boss.
直到後期，就是現在，可能是年紀大了，發福厲害了，專門出演那種兇狠，仗義，但往往是個杯具的老大。
It has specialized in lending to domestic infrastructure projects and has been a pioneer in developing China"s nascent bond markets.
國家開發銀行一直以來的主要業務是向國內基礎設施專案提供貸款，它還是中國債券市場建設的先驅。
拓展內容：
specialized
專門的，專用的
Specialization 專業化
Specialized 專門的，專用的
specialized agency 專門機構 ...
2. 閃電
例句用法：
1. How much experience does he bring to this specialized work?
他使用了多少經驗來幹這項專業工作?
2. Some, in fact, were highly specialized to do this.
事實上，有些革新是非常高度專化的。
3. An expert system is a computer program that solves the specialized problems at the level of a human expert.
所謂專家系統是一個計算機程式，它能夠用人類專家的水平去解決一些特別的問題。
兩者的區別：
be specialized in
專門從事；專攻；以……為專業。
specialized in
網路擅長；專門。
運用：
be specialized in：
To be specialized in wind power industry rapidly, CS Wind Corporation started wind tower business in 2004.
為了專業於風塔塔架製造事業，重山精工從2004年開始風力塔架的製造。
The Processing for Herbage Seeds Should be Specialized in China
牧草種子加工應提倡中國產專業化。
specialized in：
Until the late, is now, and may be old, fat, specialized in the fierce battle righteousness, but is often a cup with the boss.
直到後期，就是現在，可能是年紀大了，發福厲害了，專門出演那種兇狠，仗義，但往往是個杯具的老大。
It has specialized in lending to domestic infrastructure projects and has been a pioneer in developing China"s nascent bond markets.
國家開發銀行一直以來的主要業務是向國內基礎設施專案提供貸款，它還是中國債券市場建設的先驅。
拓展內容：
specialized
專門的，專用的
Specialization 專業化
Specialized 專門的，專用的
specialized agency 專門機構 ...
2. 閃電
例句用法：
1. How much experience does he bring to this specialized work?
他使用了多少經驗來幹這項專業工作?
2. Some, in fact, were highly specialized to do this.
事實上，有些革新是非常高度專化的。
3. An expert system is a computer program that solves the specialized problems at the level of a human expert.
所謂專家系統是一個計算機程式，它能夠用人類專家的水平去解決一些特別的問題。