Q: the improvement upon practice とはどういう意味ですか?
A: 「練習のおかげで果した上達」
it could mean something different depending on the context
Q: You can argue it's a huge improvement とはどういう意味ですか?
A: This would be part of another sentence, and often with could as a hypothetical marker.

"You could argue it's a huge improvement, but the amount of money spent on this project cannot be justified."

It is possible to say it is a huge improvement, but it cost too much to be worthwhile.
Q: improvements とはどういう意味ですか?
A: There is an "improvement" if you keep on making/doing something to make it better than it was before.
Q: achieve moral improvement とはどういう意味ですか?
A: Usually to become more sympathetic or empathetic towards others.
Q: open for improvement とはどういう意味ですか?
A: "Open for improvement" simply means that that person can get better. They can be improved.


Q: improvement を使った例文を教えて下さい。
A: QAの全文をご確認ください
Q: improvement を使った例文を教えて下さい。
A: -I can't see any improvement.

-That's an improvement.

-It's an improvement over last time.


Q: There are improvements that CAN be done and from which your project CAN benefit from but those are mostly technical related. と There are improvements that COULD be done and from which your project COULD benefit from but those are mostly technical related. はどう違いますか?
A: They are almost the same, but sometimes saying “there are things that can be done” is slightly more assertive than “there are things that could be done”.

Can often implies that someone has the ability and just has not yet done it

Could often implies that someone has not yet tried but has the potential to do it
Q: improvement in my English/ quality と improvement of my English/quality はどう違いますか?
A: improvement in your English : development in your English. How you went further in your listening, speaking, writing skills.

Quality of your English: degree of how your English is. But to be honest it sounds a little odd to me. Because quality is generally used with objects made by human
Quality of wine
Quality of paper etc.
Q: improvement と development はどう違いますか?
A: Improvement- to make better or enhance.

Example: Some people work in home improvement.

Development- the physiological growth of an organism or the growth/enhancement of a skill.

Many Elementary school teachers take child development as a course for their degree.
Q: marginal improvement と minor improvement はどう違いますか?
A: These are very similar adjectives and both would be understood as a “small difference”. “Marginal” is slightly more advanced in my opinion. “Minor” is more commonly used.
Q: improvement と development はどう違いますか?
A: Development doesn't necessarily mean improvement but a building out of something or someone. Often times improvement is the result but it is not a requirement.


Q: 1. His improvement in his studies has skyrocketed.
2. Development of this city has been skyrocketing for the past 3 years.
3. The prices of the daily provisions have been skyrocketing.

does this sound natural? は 英語 (イギリス) で何と言いますか?
A: @-dOlf- "has skyrocketed"

"is" is for present progressive tense in this case, so if it is still busy skyrocketing, you can say
"His improvement in his studies is skyrocketing."

but your sentence
"His improvement in his studies has skyrocketed."
is perfect.
Q: improvement は 英語 (アメリカ) で何と言いますか?
A: QAの全文をご確認ください
Q: improvement to hua hai は 英語 (イギリス) で何と言いますか?
A: The improvement has happened or Has improved.
Q: 感冒還沒好~("I haven't got rid of the cold." any improvement to express this in another way?) は 英語 (アメリカ) で何と言いますか?
A: I still haven't gotten rid of this cold!


Q: It is a slight improvement.
Q: For my improvement, I apply for this program. この表現は自然ですか?
A: Maybe try saying “I am applying to this program to improve”
Q: Finally, the improvement of technologies should be in a positive way, not to impact on present or future generation. この表現は自然ですか?
A: You could say, "Finally, the improvement of technology" instead of technologies because it is already plural. Also, "not to impact on the present or future generations."
Q: An improvement of team communication may works. If it doesn't, remember to keep observing and thinking. この表現は自然ですか?
A: An improvement of team communication may work. If it doesn't, remember to keep observing and thinking.

You said works, it is work
Q: Also, improvement of the scholastic ability of young people will lead to development of society and technology and so on. この表現は自然ですか?
A: Also, improving young people's scholastic abilities will lead to the development of society, technology, and so on.

Removing repetitive of's and other prepositions and including more active verbs can make the sentence easier to read and more interesting. You don't have to get rid of all of them though.