"two types of actions" is correct and usable in written English.
You can use it to refer to two specific actions that have been mentioned or are implied in the context of the conversation. For example, "We need to take two types of actions - legal measures and public outreach - to solve this issue."
This will require two types of actions.
Our research specifically shows that managers whose organizations succeed in crowdsourcing take two types of actions.
Reflecting these two types of actions, immovable property (such as a permanent building) came to be called real property, and movable property (such as personal possessions), personal property (see real and personal property).
Repetitive control involves two types of actions: control and learning; but the insertion of a low-pass filter in a modified repetitive controller, which is employed to guarantee the stability of the system, mixes the two actions together.
Then, the following conditions can be distinguished and two types of actions can be derived as is shown in Table 6.
To be quantitative, we conducted the paired t-test on the managers who submitted the two types of actions at least ten times in each case (managers shown by the large circles in Figure 4).
There are two types of action: low-level action and high-level action.
Participants were requested to perform two types of action: grasping the object with a precision grip through the opposition of thumb and index finger (G), or to simply reach it (R), touching it with the back of the hand by using a closed fist posture.
Three types of actions companies can take.
Five types of actions based on stereotyped motion are used for the navigation system: Moving Along Wall, Moving Along, Moving Toward, Tracking Motion and Danger Estimation.
Four types of actions, walk, sit, bend and lie, are classified.
