Roles may contain a <cmr-field> , which is a special field added to the EJB in addition to the <cmp-field> , a container-managed field that is a regular persistent field of the EJB.

角色可能包含一个 <cmr-field> ，它是除 field> 以外添加到 EJB 的一个特殊字段，是容器管理的 EJB 的常规持久性字段。

youdao

"If you asked him how quickly changes in interest rates affect each economy, or how persistent inflation in Europe is compared to America, he'd know," says an economist who works in the same field.

“如果你问他利率的快速调整会怎样影响经济，或者是欧洲持续的通货膨胀同美国比较是怎样的，他都知道，”同领域的一位经济学家说。

youdao

“If you asked him how quickly changes in interest rates affect each economy, or how persistent inflation in Europe is compared to America, he’d know,” says an economist who works in the same field.

“如果你问他利率的快速调整会怎样影响经济，或者是欧洲持续的通货膨胀同美国比较是怎样的，他都知道，”同领域的一位经济学家说。

youdao

That level of development would require "a very high and persistent pace of new field developments", of more than 17 new fields per year over the next 25 years, which would be "a major challenge for the oil and gas supply chain".

BBC: Study predicts growth in oil and gas field numbers

Today more than ever, job hunters in every field need to be creative and persistent.

FORBES: Magazine Article

PAUL, Minn. (AP) A fourth-grade field trip to a Mississippi River park popular with fossil hunters turned deadly Wednesday when gravel saturated by persistent rain gave way, killing one child and injuring two others.

NPR: 1 Child Dead, 1 Missing In Minn. Park Landslide