面向对象软件开发和面向服务软件开发之间的关键区别是什么？ What are the key differences between object-oriented software development and service-oriented software development?单项选择题

A

作为构建块的服务通常比对象大。 Services as building blocks are normally bigger than objects.

B

作为构建块的对象通常比服务大。 Objects as building blocks are normally bigger than services.

C

服务访问与平台无关。 Service accesses are platform-independent.

D

对象访问与平台无关。 Object accesses are platform-independent.

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类似问题

Question textComplete the following protocol table for setting up your standard curve for protein. Remember, each of your standards, except the reagent blank, will be prepared in duplicate in the lab (i..e, you will make up each of these standards twice), giving you 11 standards. When filling in your answers, be careful with your formatting and note the following requirements: for all entries of concentrations, volumes and amounts in this table, include two decimal places (e.g. '1.5') for any decimal numbers less than one, make sure you precede the decimal point with the number zero (i.e. type in '0.2'; not '.2' without the zero) [table] Standard | Concentration of BSA standard | Volume of 20 mg/mL BSA stock solution required (mL) | Volume of 0.05 M NaOH diluent required (mL) | Amount of BSA present (mg) | Volume (mL) 1(reagent blank) | 0 | Answer 1 Question 6 | Answer 2 Question 6 | Answer 3 Question 6 | 0.8 2 | 4 | Answer 4 Question 6 | Answer 5 Question 6 | Answer 6 Question 6 | 0.8 3 | 8 | Answer 7 Question 6 | Answer 8 Question 6 | Answer 9 Question 6 | 0.8 4 | 12 | Answer 10 Question 6 | Answer 11 Question 6 | Answer 12 Question 6 | 0.8 5 | 16 | Answer 13 Question 6 | Answer 14 Question 6 | Answer 15 Question 6 | 0.8 6 | 20 | Answer 16 Question 6 | Answer 17 Question 6 | Answer 18 Question 6 | 0.8 [/table]

Which of the following parameters is used to determine the concentration of protein in a spectrophotometer?

What are the units of absorbance?

What is the concentration of protein in the stock solution of BSA used for the standard curve?

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